Home / 782,053,071.38-1,173,230,668.82-297,341,191.70

Finding the Fourth Proportional to 782,053,071.38, 1,173,230,668.82 and 297,341,191.70

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Solution

The fourth proportional to 782,053,071.38, 1,173,230,668.82 and 297,341,191.70 is: 446,069,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,053,071.38 : 1,173,230,668.82 = 297,341,191.70 : x
  2. Step 2: Convert to fraction form
    782,053,071.38/1,173,230,668.82 = 297,341,191.70/x
  3. Step 3: Cross multiply
    782,053,071.38x = 1,173,230,668.82 × 297,341,191.70
  4. Step 4: Simplify right side
    782,053,071.38x = 348,849,805,200,804,032
  5. Step 5: Solve for x
    x = 348,849,805,200,804,032/782,053,071.38
  6. Step 6: Final answer
    x = 446,069,222.11

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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.