Home / 1,779,452,904.60-2,669,179,356.90-486,988,392.60

Finding the Fourth Proportional to 1,779,452,904.60, 2,669,179,356.90 and 486,988,392.60

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Solution

The fourth proportional to 1,779,452,904.60, 2,669,179,356.90 and 486,988,392.60 is: 730,482,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,452,904.60 : 2,669,179,356.90 = 486,988,392.60 : x
  2. Step 2: Convert to fraction form
    1,779,452,904.60/2,669,179,356.90 = 486,988,392.60/x
  3. Step 3: Cross multiply
    1,779,452,904.60x = 2,669,179,356.90 × 486,988,392.60
  4. Step 4: Simplify right side
    1,779,452,904.60x = 1,299,859,364,577,832,704
  5. Step 5: Solve for x
    x = 1,299,859,364,577,832,704/1,779,452,904.60
  6. Step 6: Final answer
    x = 730,482,588.90

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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.