Home / 2,779,243,479.12-4,168,999,296.78-913,847,876.16

Finding the Fourth Proportional to 2,779,243,479.12, 4,168,999,296.78 and 913,847,876.16

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Solution

The fourth proportional to 2,779,243,479.12, 4,168,999,296.78 and 913,847,876.16 is: 1,370,815,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,243,479.12 : 4,168,999,296.78 = 913,847,876.16 : x
  2. Step 2: Convert to fraction form
    2,779,243,479.12/4,168,999,296.78 = 913,847,876.16/x
  3. Step 3: Cross multiply
    2,779,243,479.12x = 4,168,999,296.78 × 913,847,876.16
  4. Step 4: Simplify right side
    2,779,243,479.12x = 3,809,831,153,074,936,832
  5. Step 5: Solve for x
    x = 3,809,831,153,074,936,832/2,779,243,479.12
  6. Step 6: Final answer
    x = 1,370,815,900.69

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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.