Home / 572,832,073.80-859,248,110.70-209,587,120.20

Finding the Fourth Proportional to 572,832,073.80, 859,248,110.70 and 209,587,120.20

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Solution

The fourth proportional to 572,832,073.80, 859,248,110.70 and 209,587,120.20 is: 314,380,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,832,073.80 : 859,248,110.70 = 209,587,120.20 : x
  2. Step 2: Convert to fraction form
    572,832,073.80/859,248,110.70 = 209,587,120.20/x
  3. Step 3: Cross multiply
    572,832,073.80x = 859,248,110.70 × 209,587,120.20
  4. Step 4: Simplify right side
    572,832,073.80x = 180,087,337,058,903,808
  5. Step 5: Solve for x
    x = 180,087,337,058,903,808/572,832,073.80
  6. Step 6: Final answer
    x = 314,380,680.30

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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.