Home / 747,151,809.80-1,120,727,714.70-475,725,864.20

Finding the Fourth Proportional to 747,151,809.80, 1,120,727,714.70 and 475,725,864.20

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Solution

The fourth proportional to 747,151,809.80, 1,120,727,714.70 and 475,725,864.20 is: 713,588,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,151,809.80 : 1,120,727,714.70 = 475,725,864.20 : x
  2. Step 2: Convert to fraction form
    747,151,809.80/1,120,727,714.70 = 475,725,864.20/x
  3. Step 3: Cross multiply
    747,151,809.80x = 1,120,727,714.70 × 475,725,864.20
  4. Step 4: Simplify right side
    747,151,809.80x = 533,159,160,608,548,544
  5. Step 5: Solve for x
    x = 533,159,160,608,548,544/747,151,809.80
  6. Step 6: Final answer
    x = 713,588,796.30

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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.