Home / 541,646,008,421.76-747,471,972,460.95-297,779,626,359.45

Finding the Fourth Proportional to 541,646,008,421.76, 747,471,972,460.95 and 297,779,626,359.45

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Solution

The fourth proportional to 541,646,008,421.76, 747,471,972,460.95 and 297,779,626,359.45 is: 410,936,148,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,646,008,421.76 : 747,471,972,460.95 = 297,779,626,359.45 : x
  2. Step 2: Convert to fraction form
    541,646,008,421.76/747,471,972,460.95 = 297,779,626,359.45/x
  3. Step 3: Cross multiply
    541,646,008,421.76x = 747,471,972,460.95 × 297,779,626,359.45
  4. Step 4: Simplify right side
    541,646,008,421.76x = 222,581,924,673,582,788,509,696
  5. Step 5: Solve for x
    x = 222,581,924,673,582,788,509,696/541,646,008,421.76
  6. Step 6: Final answer
    x = 410,936,148,725.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.