Home / 535,663,939.74-801,935,023.41-398,098,665.42

Finding the Fourth Proportional to 535,663,939.74, 801,935,023.41 and 398,098,665.42

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Solution

The fourth proportional to 535,663,939.74, 801,935,023.41 and 398,098,665.42 is: 595,987,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,663,939.74 : 801,935,023.41 = 398,098,665.42 : x
  2. Step 2: Convert to fraction form
    535,663,939.74/801,935,023.41 = 398,098,665.42/x
  3. Step 3: Cross multiply
    535,663,939.74x = 801,935,023.41 × 398,098,665.42
  4. Step 4: Simplify right side
    535,663,939.74x = 319,249,262,573,077,440
  5. Step 5: Solve for x
    x = 319,249,262,573,077,440/535,663,939.74
  6. Step 6: Final answer
    x = 595,987,967.25

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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.