Home / 884,993,817.60-1,327,490,726.40-425,828,793.60

Finding the Fourth Proportional to 884,993,817.60, 1,327,490,726.40 and 425,828,793.60

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Solution

The fourth proportional to 884,993,817.60, 1,327,490,726.40 and 425,828,793.60 is: 638,743,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,993,817.60 : 1,327,490,726.40 = 425,828,793.60 : x
  2. Step 2: Convert to fraction form
    884,993,817.60/1,327,490,726.40 = 425,828,793.60/x
  3. Step 3: Cross multiply
    884,993,817.60x = 1,327,490,726.40 × 425,828,793.60
  4. Step 4: Simplify right side
    884,993,817.60x = 565,283,774,538,099,712
  5. Step 5: Solve for x
    x = 565,283,774,538,099,712/884,993,817.60
  6. Step 6: Final answer
    x = 638,743,190.40

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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.