Home / 1,011,488,765.40-1,517,233,148.10-284,477,477.40

Finding the Fourth Proportional to 1,011,488,765.40, 1,517,233,148.10 and 284,477,477.40

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Solution

The fourth proportional to 1,011,488,765.40, 1,517,233,148.10 and 284,477,477.40 is: 426,716,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,488,765.40 : 1,517,233,148.10 = 284,477,477.40 : x
  2. Step 2: Convert to fraction form
    1,011,488,765.40/1,517,233,148.10 = 284,477,477.40/x
  3. Step 3: Cross multiply
    1,011,488,765.40x = 1,517,233,148.10 × 284,477,477.40
  4. Step 4: Simplify right side
    1,011,488,765.40x = 431,618,658,599,148,544
  5. Step 5: Solve for x
    x = 431,618,658,599,148,544/1,011,488,765.40
  6. Step 6: Final answer
    x = 426,716,216.10

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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.