Home / 1,023,385,861.84-1,412,272,479.36-553,487,169.28

Finding the Fourth Proportional to 1,023,385,861.84, 1,412,272,479.36 and 553,487,169.28

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Solution

The fourth proportional to 1,023,385,861.84, 1,412,272,479.36 and 553,487,169.28 is: 763,812,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,385,861.84 : 1,412,272,479.36 = 553,487,169.28 : x
  2. Step 2: Convert to fraction form
    1,023,385,861.84/1,412,272,479.36 = 553,487,169.28/x
  3. Step 3: Cross multiply
    1,023,385,861.84x = 1,412,272,479.36 × 553,487,169.28
  4. Step 4: Simplify right side
    1,023,385,861.84x = 781,674,696,853,013,504
  5. Step 5: Solve for x
    x = 781,674,696,853,013,504/1,023,385,861.84
  6. Step 6: Final answer
    x = 763,812,288.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.