Home / 1,331,220,484.80-1,996,679,561.76-513,264,288.96

Finding the Fourth Proportional to 1,331,220,484.80, 1,996,679,561.76 and 513,264,288.96

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Solution

The fourth proportional to 1,331,220,484.80, 1,996,679,561.76 and 513,264,288.96 is: 769,838,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,220,484.80 : 1,996,679,561.76 = 513,264,288.96 : x
  2. Step 2: Convert to fraction form
    1,331,220,484.80/1,996,679,561.76 = 513,264,288.96/x
  3. Step 3: Cross multiply
    1,331,220,484.80x = 1,996,679,561.76 × 513,264,288.96
  4. Step 4: Simplify right side
    1,331,220,484.80x = 1,024,824,315,547,710,720
  5. Step 5: Solve for x
    x = 1,024,824,315,547,710,720/1,331,220,484.80
  6. Step 6: Final answer
    x = 769,838,150.22

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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.