Home / 817,799,278.08-1,225,982,280.96-307,554,332.16

Finding the Fourth Proportional to 817,799,278.08, 1,225,982,280.96 and 307,554,332.16

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Solution

The fourth proportional to 817,799,278.08, 1,225,982,280.96 and 307,554,332.16 is: 461,061,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,799,278.08 : 1,225,982,280.96 = 307,554,332.16 : x
  2. Step 2: Convert to fraction form
    817,799,278.08/1,225,982,280.96 = 307,554,332.16/x
  3. Step 3: Cross multiply
    817,799,278.08x = 1,225,982,280.96 × 307,554,332.16
  4. Step 4: Simplify right side
    817,799,278.08x = 377,056,161,660,646,336
  5. Step 5: Solve for x
    x = 377,056,161,660,646,336/817,799,278.08
  6. Step 6: Final answer
    x = 461,061,988.89

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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.