Home / 1,779,402,291.40-2,669,103,437.10-1,490,989,260.70

Finding the Fourth Proportional to 1,779,402,291.40, 2,669,103,437.10 and 1,490,989,260.70

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Solution

The fourth proportional to 1,779,402,291.40, 2,669,103,437.10 and 1,490,989,260.70 is: 2,236,483,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,402,291.40 : 2,669,103,437.10 = 1,490,989,260.70 : x
  2. Step 2: Convert to fraction form
    1,779,402,291.40/2,669,103,437.10 = 1,490,989,260.70/x
  3. Step 3: Cross multiply
    1,779,402,291.40x = 2,669,103,437.10 × 1,490,989,260.70
  4. Step 4: Simplify right side
    1,779,402,291.40x = 3,979,604,560,413,557,760
  5. Step 5: Solve for x
    x = 3,979,604,560,413,557,760/1,779,402,291.40
  6. Step 6: Final answer
    x = 2,236,483,891.05

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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.