Home / 10,429,452,001.40-15,644,178,002.10-9,480,510,951.80

Finding the Fourth Proportional to 10,429,452,001.40, 15,644,178,002.10 and 9,480,510,951.80

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Solution

The fourth proportional to 10,429,452,001.40, 15,644,178,002.10 and 9,480,510,951.80 is: 14,220,766,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,452,001.40 : 15,644,178,002.10 = 9,480,510,951.80 : x
  2. Step 2: Convert to fraction form
    10,429,452,001.40/15,644,178,002.10 = 9,480,510,951.80/x
  3. Step 3: Cross multiply
    10,429,452,001.40x = 15,644,178,002.10 × 9,480,510,951.80
  4. Step 4: Simplify right side
    10,429,452,001.40x = 148,314,800,880,817,700,864
  5. Step 5: Solve for x
    x = 148,314,800,880,817,700,864/10,429,452,001.40
  6. Step 6: Final answer
    x = 14,220,766,427.70

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Double scale
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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.