Home / 3,128,306,516.40-4,680,366,539.40-2,039,915,348.40

Finding the Fourth Proportional to 3,128,306,516.40, 4,680,366,539.40 and 2,039,915,348.40

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Solution

The fourth proportional to 3,128,306,516.40, 4,680,366,539.40 and 2,039,915,348.40 is: 3,051,987,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,306,516.40 : 4,680,366,539.40 = 2,039,915,348.40 : x
  2. Step 2: Convert to fraction form
    3,128,306,516.40/4,680,366,539.40 = 2,039,915,348.40/x
  3. Step 3: Cross multiply
    3,128,306,516.40x = 4,680,366,539.40 × 2,039,915,348.40
  4. Step 4: Simplify right side
    3,128,306,516.40x = 9,547,551,539,859,853,312
  5. Step 5: Solve for x
    x = 9,547,551,539,859,853,312/3,128,306,516.40
  6. Step 6: Final answer
    x = 3,051,987,230.09

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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.