Home / 8,374,625,406.15-12,561,938,109.23-8,316,512,332.80

Finding the Fourth Proportional to 8,374,625,406.15, 12,561,938,109.23 and 8,316,512,332.80

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Solution

The fourth proportional to 8,374,625,406.15, 12,561,938,109.23 and 8,316,512,332.80 is: 12,474,768,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,625,406.15 : 12,561,938,109.23 = 8,316,512,332.80 : x
  2. Step 2: Convert to fraction form
    8,374,625,406.15/12,561,938,109.23 = 8,316,512,332.80/x
  3. Step 3: Cross multiply
    8,374,625,406.15x = 12,561,938,109.23 × 8,316,512,332.80
  4. Step 4: Simplify right side
    8,374,625,406.15x = 104,471,513,209,281,609,728
  5. Step 5: Solve for x
    x = 104,471,513,209,281,609,728/8,374,625,406.15
  6. Step 6: Final answer
    x = 12,474,768,499.21

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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.