Home / 1,572,912,992.60-2,359,936,359.30-653,449,203.80

Finding the Fourth Proportional to 1,572,912,992.60, 2,359,936,359.30 and 653,449,203.80

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Solution

The fourth proportional to 1,572,912,992.60, 2,359,936,359.30 and 653,449,203.80 is: 980,409,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,912,992.60 : 2,359,936,359.30 = 653,449,203.80 : x
  2. Step 2: Convert to fraction form
    1,572,912,992.60/2,359,936,359.30 = 653,449,203.80/x
  3. Step 3: Cross multiply
    1,572,912,992.60x = 2,359,936,359.30 × 653,449,203.80
  4. Step 4: Simplify right side
    1,572,912,992.60x = 1,542,098,535,003,255,808
  5. Step 5: Solve for x
    x = 1,542,098,535,003,255,808/1,572,912,992.60
  6. Step 6: Final answer
    x = 980,409,305.70

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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.