Home / 8,806,912,649.20-13,210,368,973.80-8,398,765,961.20

Finding the Fourth Proportional to 8,806,912,649.20, 13,210,368,973.80 and 8,398,765,961.20

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Solution

The fourth proportional to 8,806,912,649.20, 13,210,368,973.80 and 8,398,765,961.20 is: 12,598,148,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,912,649.20 : 13,210,368,973.80 = 8,398,765,961.20 : x
  2. Step 2: Convert to fraction form
    8,806,912,649.20/13,210,368,973.80 = 8,398,765,961.20/x
  3. Step 3: Cross multiply
    8,806,912,649.20x = 13,210,368,973.80 × 8,398,765,961.20
  4. Step 4: Simplify right side
    8,806,912,649.20x = 110,950,797,272,044,011,520
  5. Step 5: Solve for x
    x = 110,950,797,272,044,011,520/8,806,912,649.20
  6. Step 6: Final answer
    x = 12,598,148,941.80

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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.