Home / 891,648,518.40-1,337,472,777.60-236,598,278.40

Finding the Fourth Proportional to 891,648,518.40, 1,337,472,777.60 and 236,598,278.40

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Solution

The fourth proportional to 891,648,518.40, 1,337,472,777.60 and 236,598,278.40 is: 354,897,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,518.40 : 1,337,472,777.60 = 236,598,278.40 : x
  2. Step 2: Convert to fraction form
    891,648,518.40/1,337,472,777.60 = 236,598,278.40/x
  3. Step 3: Cross multiply
    891,648,518.40x = 1,337,472,777.60 × 236,598,278.40
  4. Step 4: Simplify right side
    891,648,518.40x = 316,443,756,587,026,048
  5. Step 5: Solve for x
    x = 316,443,756,587,026,048/891,648,518.40
  6. Step 6: Final answer
    x = 354,897,417.60

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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.