Home / 781,148,107.20-1,170,021,549.60-473,904,350.40

Finding the Fourth Proportional to 781,148,107.20, 1,170,021,549.60 and 473,904,350.40

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Solution

The fourth proportional to 781,148,107.20, 1,170,021,549.60 and 473,904,350.40 is: 709,824,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,148,107.20 : 1,170,021,549.60 = 473,904,350.40 : x
  2. Step 2: Convert to fraction form
    781,148,107.20/1,170,021,549.60 = 473,904,350.40/x
  3. Step 3: Cross multiply
    781,148,107.20x = 1,170,021,549.60 × 473,904,350.40
  4. Step 4: Simplify right side
    781,148,107.20x = 554,478,302,417,189,312
  5. Step 5: Solve for x
    x = 554,478,302,417,189,312/781,148,107.20
  6. Step 6: Final answer
    x = 709,824,804.42

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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.