Home / 799,488,082.20-1,199,232,123.30-617,865,605.40

Finding the Fourth Proportional to 799,488,082.20, 1,199,232,123.30 and 617,865,605.40

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Solution

The fourth proportional to 799,488,082.20, 1,199,232,123.30 and 617,865,605.40 is: 926,798,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,488,082.20 : 1,199,232,123.30 = 617,865,605.40 : x
  2. Step 2: Convert to fraction form
    799,488,082.20/1,199,232,123.30 = 617,865,605.40/x
  3. Step 3: Cross multiply
    799,488,082.20x = 1,199,232,123.30 × 617,865,605.40
  4. Step 4: Simplify right side
    799,488,082.20x = 740,964,281,877,881,856
  5. Step 5: Solve for x
    x = 740,964,281,877,881,856/799,488,082.20
  6. Step 6: Final answer
    x = 926,798,408.10

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1.5x scale

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.