Home / 1,245,779,226.30-1,868,668,839.45-325,748,567.10

Finding the Fourth Proportional to 1,245,779,226.30, 1,868,668,839.45 and 325,748,567.10

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Solution

The fourth proportional to 1,245,779,226.30, 1,868,668,839.45 and 325,748,567.10 is: 488,622,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,779,226.30 : 1,868,668,839.45 = 325,748,567.10 : x
  2. Step 2: Convert to fraction form
    1,245,779,226.30/1,868,668,839.45 = 325,748,567.10/x
  3. Step 3: Cross multiply
    1,245,779,226.30x = 1,868,668,839.45 × 325,748,567.10
  4. Step 4: Simplify right side
    1,245,779,226.30x = 608,716,196,835,257,472
  5. Step 5: Solve for x
    x = 608,716,196,835,257,472/1,245,779,226.30
  6. Step 6: Final answer
    x = 488,622,850.65

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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.