Home / 572,832,078.30-859,248,117.45-209,587,124.70

Finding the Fourth Proportional to 572,832,078.30, 859,248,117.45 and 209,587,124.70

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Solution

The fourth proportional to 572,832,078.30, 859,248,117.45 and 209,587,124.70 is: 314,380,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,832,078.30 : 859,248,117.45 = 209,587,124.70 : x
  2. Step 2: Convert to fraction form
    572,832,078.30/859,248,117.45 = 209,587,124.70/x
  3. Step 3: Cross multiply
    572,832,078.30x = 859,248,117.45 × 209,587,124.70
  4. Step 4: Simplify right side
    572,832,078.30x = 180,087,342,340,233,408
  5. Step 5: Solve for x
    x = 180,087,342,340,233,408/572,832,078.30
  6. Step 6: Final answer
    x = 314,380,687.05

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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.