Home / 898,156,924.80-1,347,235,387.20-438,390,038.40

Finding the Fourth Proportional to 898,156,924.80, 1,347,235,387.20 and 438,390,038.40

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Solution

The fourth proportional to 898,156,924.80, 1,347,235,387.20 and 438,390,038.40 is: 657,585,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,156,924.80 : 1,347,235,387.20 = 438,390,038.40 : x
  2. Step 2: Convert to fraction form
    898,156,924.80/1,347,235,387.20 = 438,390,038.40/x
  3. Step 3: Cross multiply
    898,156,924.80x = 1,347,235,387.20 × 438,390,038.40
  4. Step 4: Simplify right side
    898,156,924.80x = 590,614,573,128,446,848
  5. Step 5: Solve for x
    x = 590,614,573,128,446,848/898,156,924.80
  6. Step 6: Final answer
    x = 657,585,057.60

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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.