Home / 1,779,402,276.40-2,669,103,414.60-1,490,989,245.70

Finding the Fourth Proportional to 1,779,402,276.40, 2,669,103,414.60 and 1,490,989,245.70

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Solution

The fourth proportional to 1,779,402,276.40, 2,669,103,414.60 and 1,490,989,245.70 is: 2,236,483,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,402,276.40 : 2,669,103,414.60 = 1,490,989,245.70 : x
  2. Step 2: Convert to fraction form
    1,779,402,276.40/2,669,103,414.60 = 1,490,989,245.70/x
  3. Step 3: Cross multiply
    1,779,402,276.40x = 2,669,103,414.60 × 1,490,989,245.70
  4. Step 4: Simplify right side
    1,779,402,276.40x = 3,979,604,486,829,748,224
  5. Step 5: Solve for x
    x = 3,979,604,486,829,748,224/1,779,402,276.40
  6. Step 6: Final answer
    x = 2,236,483,868.55

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Double scale
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Similar ratio
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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.