Home / 817,227,299.10-1,127,797,599.51-445,973,259.90

Finding the Fourth Proportional to 817,227,299.10, 1,127,797,599.51 and 445,973,259.90

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Solution

The fourth proportional to 817,227,299.10, 1,127,797,599.51 and 445,973,259.90 is: 615,456,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,227,299.10 : 1,127,797,599.51 = 445,973,259.90 : x
  2. Step 2: Convert to fraction form
    817,227,299.10/1,127,797,599.51 = 445,973,259.90/x
  3. Step 3: Cross multiply
    817,227,299.10x = 1,127,797,599.51 × 445,973,259.90
  4. Step 4: Simplify right side
    817,227,299.10x = 502,967,571,960,869,312
  5. Step 5: Solve for x
    x = 502,967,571,960,869,312/817,227,299.10
  6. Step 6: Final answer
    x = 615,456,155.85

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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.