Home / 747,151,805.80-1,120,727,708.70-475,725,860.20

Finding the Fourth Proportional to 747,151,805.80, 1,120,727,708.70 and 475,725,860.20

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Solution

The fourth proportional to 747,151,805.80, 1,120,727,708.70 and 475,725,860.20 is: 713,588,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,151,805.80 : 1,120,727,708.70 = 475,725,860.20 : x
  2. Step 2: Convert to fraction form
    747,151,805.80/1,120,727,708.70 = 475,725,860.20/x
  3. Step 3: Cross multiply
    747,151,805.80x = 1,120,727,708.70 × 475,725,860.20
  4. Step 4: Simplify right side
    747,151,805.80x = 533,159,153,271,282,560
  5. Step 5: Solve for x
    x = 533,159,153,271,282,560/747,151,805.80
  6. Step 6: Final answer
    x = 713,588,790.30

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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.