Home / 45,326,187,108.90-67,989,280,663.35-15,878,403,569.70

Finding the Fourth Proportional to 45,326,187,108.90, 67,989,280,663.35 and 15,878,403,569.70

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Solution

The fourth proportional to 45,326,187,108.90, 67,989,280,663.35 and 15,878,403,569.70 is: 23,817,605,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326,187,108.90 : 67,989,280,663.35 = 15,878,403,569.70 : x
  2. Step 2: Convert to fraction form
    45,326,187,108.90/67,989,280,663.35 = 15,878,403,569.70/x
  3. Step 3: Cross multiply
    45,326,187,108.90x = 67,989,280,663.35 × 15,878,403,569.70
  4. Step 4: Simplify right side
    45,326,187,108.90x = 1,079,561,236,786,271,879,168
  5. Step 5: Solve for x
    x = 1,079,561,236,786,271,879,168/45,326,187,108.90
  6. Step 6: Final answer
    x = 23,817,605,354.55

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Double scale
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Similar ratio
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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.