Home / 1,119,423,731.40-1,679,135,597.10-990,283,568.40

Finding the Fourth Proportional to 1,119,423,731.40, 1,679,135,597.10 and 990,283,568.40

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Solution

The fourth proportional to 1,119,423,731.40, 1,679,135,597.10 and 990,283,568.40 is: 1,485,425,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,423,731.40 : 1,679,135,597.10 = 990,283,568.40 : x
  2. Step 2: Convert to fraction form
    1,119,423,731.40/1,679,135,597.10 = 990,283,568.40/x
  3. Step 3: Cross multiply
    1,119,423,731.40x = 1,679,135,597.10 × 990,283,568.40
  4. Step 4: Simplify right side
    1,119,423,731.40x = 1,662,820,390,923,652,608
  5. Step 5: Solve for x
    x = 1,662,820,390,923,652,608/1,119,423,731.40
  6. Step 6: Final answer
    x = 1,485,425,352.60

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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.