Home / 718,928,226.76-1,078,423,111.28-282,323,381.71

Finding the Fourth Proportional to 718,928,226.76, 1,078,423,111.28 and 282,323,381.71

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Solution

The fourth proportional to 718,928,226.76, 1,078,423,111.28 and 282,323,381.71 is: 423,497,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,928,226.76 : 1,078,423,111.28 = 282,323,381.71 : x
  2. Step 2: Convert to fraction form
    718,928,226.76/1,078,423,111.28 = 282,323,381.71/x
  3. Step 3: Cross multiply
    718,928,226.76x = 1,078,423,111.28 × 282,323,381.71
  4. Step 4: Simplify right side
    718,928,226.76x = 304,464,059,690,789,184
  5. Step 5: Solve for x
    x = 304,464,059,690,789,184/718,928,226.76
  6. Step 6: Final answer
    x = 423,497,156.40

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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.