Home / 988,647,594.70-1,482,971,392.05-759,771,921.10

Finding the Fourth Proportional to 988,647,594.70, 1,482,971,392.05 and 759,771,921.10

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Solution

The fourth proportional to 988,647,594.70, 1,482,971,392.05 and 759,771,921.10 is: 1,139,657,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,647,594.70 : 1,482,971,392.05 = 759,771,921.10 : x
  2. Step 2: Convert to fraction form
    988,647,594.70/1,482,971,392.05 = 759,771,921.10/x
  3. Step 3: Cross multiply
    988,647,594.70x = 1,482,971,392.05 × 759,771,921.10
  4. Step 4: Simplify right side
    988,647,594.70x = 1,126,720,023,474,169,728
  5. Step 5: Solve for x
    x = 1,126,720,023,474,169,728/988,647,594.70
  6. Step 6: Final answer
    x = 1,139,657,881.65

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Double scale
Find fourth proportional to 988,647,595.70, 1,482,971,393.55 and 759,771,922.10
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.