Home / 1,157,977,646.80-1,736,966,470.20-513,005,102.80

Finding the Fourth Proportional to 1,157,977,646.80, 1,736,966,470.20 and 513,005,102.80

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Solution

The fourth proportional to 1,157,977,646.80, 1,736,966,470.20 and 513,005,102.80 is: 769,507,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,977,646.80 : 1,736,966,470.20 = 513,005,102.80 : x
  2. Step 2: Convert to fraction form
    1,157,977,646.80/1,736,966,470.20 = 513,005,102.80/x
  3. Step 3: Cross multiply
    1,157,977,646.80x = 1,736,966,470.20 × 513,005,102.80
  4. Step 4: Simplify right side
    1,157,977,646.80x = 891,072,662,605,104,128
  5. Step 5: Solve for x
    x = 891,072,662,605,104,128/1,157,977,646.80
  6. Step 6: Final answer
    x = 769,507,654.20

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Double scale
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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.