Home / 811,521,763.83-1,119,805,555.50-454,309,100.94

Finding the Fourth Proportional to 811,521,763.83, 1,119,805,555.50 and 454,309,100.94

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Solution

The fourth proportional to 811,521,763.83, 1,119,805,555.50 and 454,309,100.94 is: 626,893,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,521,763.83 : 1,119,805,555.50 = 454,309,100.94 : x
  2. Step 2: Convert to fraction form
    811,521,763.83/1,119,805,555.50 = 454,309,100.94/x
  3. Step 3: Cross multiply
    811,521,763.83x = 1,119,805,555.50 × 454,309,100.94
  4. Step 4: Simplify right side
    811,521,763.83x = 508,737,855,146,822,272
  5. Step 5: Solve for x
    x = 508,737,855,146,822,272/811,521,763.83
  6. Step 6: Final answer
    x = 626,893,667.95

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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.