Home / 646,916,875.12-970,030,060.48-335,711,143.68

Finding the Fourth Proportional to 646,916,875.12, 970,030,060.48 and 335,711,143.68

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Solution

The fourth proportional to 646,916,875.12, 970,030,060.48 and 335,711,143.68 is: 503,387,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,916,875.12 : 970,030,060.48 = 335,711,143.68 : x
  2. Step 2: Convert to fraction form
    646,916,875.12/970,030,060.48 = 335,711,143.68/x
  3. Step 3: Cross multiply
    646,916,875.12x = 970,030,060.48 × 335,711,143.68
  4. Step 4: Simplify right side
    646,916,875.12x = 325,649,901,007,720,384
  5. Step 5: Solve for x
    x = 325,649,901,007,720,384/646,916,875.12
  6. Step 6: Final answer
    x = 503,387,550.29

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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.