Home / 508,000,330.26-701,341,008.12-319,989,781.40

Finding the Fourth Proportional to 508,000,330.26, 701,341,008.12 and 319,989,781.40

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Solution

The fourth proportional to 508,000,330.26, 701,341,008.12 and 319,989,781.40 is: 441,775,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,000,330.26 : 701,341,008.12 = 319,989,781.40 : x
  2. Step 2: Convert to fraction form
    508,000,330.26/701,341,008.12 = 319,989,781.40/x
  3. Step 3: Cross multiply
    508,000,330.26x = 701,341,008.12 × 319,989,781.40
  4. Step 4: Simplify right side
    508,000,330.26x = 224,421,955,871,667,712
  5. Step 5: Solve for x
    x = 224,421,955,871,667,712/508,000,330.26
  6. Step 6: Final answer
    x = 441,775,216.48

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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.