Home / 1,391,004,046.30-2,086,506,069.45-746,031,502.30

Finding the Fourth Proportional to 1,391,004,046.30, 2,086,506,069.45 and 746,031,502.30

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Solution

The fourth proportional to 1,391,004,046.30, 2,086,506,069.45 and 746,031,502.30 is: 1,119,047,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,004,046.30 : 2,086,506,069.45 = 746,031,502.30 : x
  2. Step 2: Convert to fraction form
    1,391,004,046.30/2,086,506,069.45 = 746,031,502.30/x
  3. Step 3: Cross multiply
    1,391,004,046.30x = 2,086,506,069.45 × 746,031,502.30
  4. Step 4: Simplify right side
    1,391,004,046.30x = 1,556,599,257,549,851,648
  5. Step 5: Solve for x
    x = 1,556,599,257,549,851,648/1,391,004,046.30
  6. Step 6: Final answer
    x = 1,119,047,253.45

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Double scale
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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.