Home / 891,648,218.40-1,337,472,327.60-236,597,978.40

Finding the Fourth Proportional to 891,648,218.40, 1,337,472,327.60 and 236,597,978.40

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Solution

The fourth proportional to 891,648,218.40, 1,337,472,327.60 and 236,597,978.40 is: 354,896,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,218.40 : 1,337,472,327.60 = 236,597,978.40 : x
  2. Step 2: Convert to fraction form
    891,648,218.40/1,337,472,327.60 = 236,597,978.40/x
  3. Step 3: Cross multiply
    891,648,218.40x = 1,337,472,327.60 × 236,597,978.40
  4. Step 4: Simplify right side
    891,648,218.40x = 316,443,248,876,102,528
  5. Step 5: Solve for x
    x = 316,443,248,876,102,528/891,648,218.40
  6. Step 6: Final answer
    x = 354,896,967.60

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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.