Home / 8,625,506,051.40-12,938,259,077.10-8,286,895,465.80

Finding the Fourth Proportional to 8,625,506,051.40, 12,938,259,077.10 and 8,286,895,465.80

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Solution

The fourth proportional to 8,625,506,051.40, 12,938,259,077.10 and 8,286,895,465.80 is: 12,430,343,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,506,051.40 : 12,938,259,077.10 = 8,286,895,465.80 : x
  2. Step 2: Convert to fraction form
    8,625,506,051.40/12,938,259,077.10 = 8,286,895,465.80/x
  3. Step 3: Cross multiply
    8,625,506,051.40x = 12,938,259,077.10 × 8,286,895,465.80
  4. Step 4: Simplify right side
    8,625,506,051.40x = 107,218,000,481,365,688,320
  5. Step 5: Solve for x
    x = 107,218,000,481,365,688,320/8,625,506,051.40
  6. Step 6: Final answer
    x = 12,430,343,198.70

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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.