Home / 1,157,977,655.80-1,736,966,483.70-513,005,111.80

Finding the Fourth Proportional to 1,157,977,655.80, 1,736,966,483.70 and 513,005,111.80

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Solution

The fourth proportional to 1,157,977,655.80, 1,736,966,483.70 and 513,005,111.80 is: 769,507,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,977,655.80 : 1,736,966,483.70 = 513,005,111.80 : x
  2. Step 2: Convert to fraction form
    1,157,977,655.80/1,736,966,483.70 = 513,005,111.80/x
  3. Step 3: Cross multiply
    1,157,977,655.80x = 1,736,966,483.70 × 513,005,111.80
  4. Step 4: Simplify right side
    1,157,977,655.80x = 891,072,685,163,371,392
  5. Step 5: Solve for x
    x = 891,072,685,163,371,392/1,157,977,655.80
  6. Step 6: Final answer
    x = 769,507,667.70

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Half scale
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Double scale
Find fourth proportional to 1,157,977,656.80, 1,736,966,485.20 and 513,005,112.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.