Home / 1,779,452,871.60-2,669,179,307.40-486,988,359.60

Finding the Fourth Proportional to 1,779,452,871.60, 2,669,179,307.40 and 486,988,359.60

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Solution

The fourth proportional to 1,779,452,871.60, 2,669,179,307.40 and 486,988,359.60 is: 730,482,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,452,871.60 : 2,669,179,307.40 = 486,988,359.60 : x
  2. Step 2: Convert to fraction form
    1,779,452,871.60/2,669,179,307.40 = 486,988,359.60/x
  3. Step 3: Cross multiply
    1,779,452,871.60x = 2,669,179,307.40 × 486,988,359.60
  4. Step 4: Simplify right side
    1,779,452,871.60x = 1,299,859,252,388,990,208
  5. Step 5: Solve for x
    x = 1,299,859,252,388,990,208/1,779,452,871.60
  6. Step 6: Final answer
    x = 730,482,539.40

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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.