Home / 18,878,206,817.60-28,349,558,853.60-12,363,984,123.20

Finding the Fourth Proportional to 18,878,206,817.60, 28,349,558,853.60 and 12,363,984,123.20

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Solution

The fourth proportional to 18,878,206,817.60, 28,349,558,853.60 and 12,363,984,123.20 is: 18,567,096,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,206,817.60 : 28,349,558,853.60 = 12,363,984,123.20 : x
  2. Step 2: Convert to fraction form
    18,878,206,817.60/28,349,558,853.60 = 12,363,984,123.20/x
  3. Step 3: Cross multiply
    18,878,206,817.60x = 28,349,558,853.60 × 12,363,984,123.20
  4. Step 4: Simplify right side
    18,878,206,817.60x = 350,513,495,565,634,371,584
  5. Step 5: Solve for x
    x = 350,513,495,565,634,371,584/18,878,206,817.60
  6. Step 6: Final answer
    x = 18,567,096,915.10

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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.