Home / 1,188,789,715.56-1,640,549,565.55-652,990,922.94

Finding the Fourth Proportional to 1,188,789,715.56, 1,640,549,565.55 and 652,990,922.94

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Solution

The fourth proportional to 1,188,789,715.56, 1,640,549,565.55 and 652,990,922.94 is: 901,138,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,789,715.56 : 1,640,549,565.55 = 652,990,922.94 : x
  2. Step 2: Convert to fraction form
    1,188,789,715.56/1,640,549,565.55 = 652,990,922.94/x
  3. Step 3: Cross multiply
    1,188,789,715.56x = 1,640,549,565.55 × 652,990,922.94
  4. Step 4: Simplify right side
    1,188,789,715.56x = 1,071,263,974,937,310,592
  5. Step 5: Solve for x
    x = 1,071,263,974,937,310,592/1,188,789,715.56
  6. Step 6: Final answer
    x = 901,138,326.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.