Home / 262,655,999.40-393,983,999.10-98,893,439.40

Finding the Fourth Proportional to 262,655,999.40, 393,983,999.10 and 98,893,439.40

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Solution

The fourth proportional to 262,655,999.40, 393,983,999.10 and 98,893,439.40 is: 148,340,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,655,999.40 : 393,983,999.10 = 98,893,439.40 : x
  2. Step 2: Convert to fraction form
    262,655,999.40/393,983,999.10 = 98,893,439.40/x
  3. Step 3: Cross multiply
    262,655,999.40x = 393,983,999.10 × 98,893,439.40
  4. Step 4: Simplify right side
    262,655,999.40x = 38,962,432,739,565,512
  5. Step 5: Solve for x
    x = 38,962,432,739,565,512/262,655,999.40
  6. Step 6: Final answer
    x = 148,340,159.10

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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.