Home / 8,625,506,118.90-12,938,259,178.35-8,286,895,533.30

Finding the Fourth Proportional to 8,625,506,118.90, 12,938,259,178.35 and 8,286,895,533.30

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Solution

The fourth proportional to 8,625,506,118.90, 12,938,259,178.35 and 8,286,895,533.30 is: 12,430,343,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,506,118.90 : 12,938,259,178.35 = 8,286,895,533.30 : x
  2. Step 2: Convert to fraction form
    8,625,506,118.90/12,938,259,178.35 = 8,286,895,533.30/x
  3. Step 3: Cross multiply
    8,625,506,118.90x = 12,938,259,178.35 × 8,286,895,533.30
  4. Step 4: Simplify right side
    8,625,506,118.90x = 107,218,002,193,746,345,984
  5. Step 5: Solve for x
    x = 107,218,002,193,746,345,984/8,625,506,118.90
  6. Step 6: Final answer
    x = 12,430,343,299.95

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Double scale
Find fourth proportional to 8,625,506,119.90, 12,938,259,179.85 and 8,286,895,534.30
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.