Home / 653,508,045.90-980,262,068.85-411,643,341.90

Finding the Fourth Proportional to 653,508,045.90, 980,262,068.85 and 411,643,341.90

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Solution

The fourth proportional to 653,508,045.90, 980,262,068.85 and 411,643,341.90 is: 617,465,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,508,045.90 : 980,262,068.85 = 411,643,341.90 : x
  2. Step 2: Convert to fraction form
    653,508,045.90/980,262,068.85 = 411,643,341.90/x
  3. Step 3: Cross multiply
    653,508,045.90x = 980,262,068.85 × 411,643,341.90
  4. Step 4: Simplify right side
    653,508,045.90x = 403,518,353,959,221,888
  5. Step 5: Solve for x
    x = 403,518,353,959,221,888/653,508,045.90
  6. Step 6: Final answer
    x = 617,465,012.85

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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.