Home / 620,377,152.90-930,565,729.35-275,365,655.70

Finding the Fourth Proportional to 620,377,152.90, 930,565,729.35 and 275,365,655.70

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Solution

The fourth proportional to 620,377,152.90, 930,565,729.35 and 275,365,655.70 is: 413,048,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,377,152.90 : 930,565,729.35 = 275,365,655.70 : x
  2. Step 2: Convert to fraction form
    620,377,152.90/930,565,729.35 = 275,365,655.70/x
  3. Step 3: Cross multiply
    620,377,152.90x = 930,565,729.35 × 275,365,655.70
  4. Step 4: Simplify right side
    620,377,152.90x = 256,245,842,234,411,488
  5. Step 5: Solve for x
    x = 256,245,842,234,411,488/620,377,152.90
  6. Step 6: Final answer
    x = 413,048,483.55

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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.