Home / 435,456,073.20-653,184,109.80-420,675,452.40

Finding the Fourth Proportional to 435,456,073.20, 653,184,109.80 and 420,675,452.40

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Solution

The fourth proportional to 435,456,073.20, 653,184,109.80 and 420,675,452.40 is: 631,013,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,073.20 : 653,184,109.80 = 420,675,452.40 : x
  2. Step 2: Convert to fraction form
    435,456,073.20/653,184,109.80 = 420,675,452.40/x
  3. Step 3: Cross multiply
    435,456,073.20x = 653,184,109.80 × 420,675,452.40
  4. Step 4: Simplify right side
    435,456,073.20x = 274,778,520,890,606,240
  5. Step 5: Solve for x
    x = 274,778,520,890,606,240/435,456,073.20
  6. Step 6: Final answer
    x = 631,013,178.60

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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.