Home / 1,155,608,138.40-1,594,748,242.89-679,170,560.19

Finding the Fourth Proportional to 1,155,608,138.40, 1,594,748,242.89 and 679,170,560.19

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Solution

The fourth proportional to 1,155,608,138.40, 1,594,748,242.89 and 679,170,560.19 is: 937,260,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,608,138.40 : 1,594,748,242.89 = 679,170,560.19 : x
  2. Step 2: Convert to fraction form
    1,155,608,138.40/1,594,748,242.89 = 679,170,560.19/x
  3. Step 3: Cross multiply
    1,155,608,138.40x = 1,594,748,242.89 × 679,170,560.19
  4. Step 4: Simplify right side
    1,155,608,138.40x = 1,083,106,057,485,619,584
  5. Step 5: Solve for x
    x = 1,083,106,057,485,619,584/1,155,608,138.40
  6. Step 6: Final answer
    x = 937,260,669.51

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Half scale
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Double scale
Find fourth proportional to 1,155,608,139.40, 1,594,748,244.27 and 679,170,561.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.