Home / 426,006,421.20-639,073,492.20-180,362,581.20

Finding the Fourth Proportional to 426,006,421.20, 639,073,492.20 and 180,362,581.20

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Solution

The fourth proportional to 426,006,421.20, 639,073,492.20 and 180,362,581.20 is: 270,570,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,006,421.20 : 639,073,492.20 = 180,362,581.20 : x
  2. Step 2: Convert to fraction form
    426,006,421.20/639,073,492.20 = 180,362,581.20/x
  3. Step 3: Cross multiply
    426,006,421.20x = 639,073,492.20 × 180,362,581.20
  4. Step 4: Simplify right side
    426,006,421.20x = 115,264,944,629,690,064
  5. Step 5: Solve for x
    x = 115,264,944,629,690,064/426,006,421.20
  6. Step 6: Final answer
    x = 270,570,909.01

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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.