Home / 1,242,163,944.40-1,861,663,403.40-660,177,000.40

Finding the Fourth Proportional to 1,242,163,944.40, 1,861,663,403.40 and 660,177,000.40

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Solution

The fourth proportional to 1,242,163,944.40, 1,861,663,403.40 and 660,177,000.40 is: 989,424,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,163,944.40 : 1,861,663,403.40 = 660,177,000.40 : x
  2. Step 2: Convert to fraction form
    1,242,163,944.40/1,861,663,403.40 = 660,177,000.40/x
  3. Step 3: Cross multiply
    1,242,163,944.40x = 1,861,663,403.40 × 660,177,000.40
  4. Step 4: Simplify right side
    1,242,163,944.40x = 1,229,027,361,411,067,136
  5. Step 5: Solve for x
    x = 1,229,027,361,411,067,136/1,242,163,944.40
  6. Step 6: Final answer
    x = 989,424,437.05

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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.