Home / 45,326,187,260.40-67,989,280,890.60-15,878,403,721.20

Finding the Fourth Proportional to 45,326,187,260.40, 67,989,280,890.60 and 15,878,403,721.20

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Solution

The fourth proportional to 45,326,187,260.40, 67,989,280,890.60 and 15,878,403,721.20 is: 23,817,605,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326,187,260.40 : 67,989,280,890.60 = 15,878,403,721.20 : x
  2. Step 2: Convert to fraction form
    45,326,187,260.40/67,989,280,890.60 = 15,878,403,721.20/x
  3. Step 3: Cross multiply
    45,326,187,260.40x = 67,989,280,890.60 × 15,878,403,721.20
  4. Step 4: Simplify right side
    45,326,187,260.40x = 1,079,561,250,695,015,170,048
  5. Step 5: Solve for x
    x = 1,079,561,250,695,015,170,048/45,326,187,260.40
  6. Step 6: Final answer
    x = 23,817,605,581.80

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1.5x scale

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.