Home / 636,676,375.32-878,550,685.02-358,211,750.04

Finding the Fourth Proportional to 636,676,375.32, 878,550,685.02 and 358,211,750.04

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Solution

The fourth proportional to 636,676,375.32, 878,550,685.02 and 358,211,750.04 is: 494,296,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,676,375.32 : 878,550,685.02 = 358,211,750.04 : x
  2. Step 2: Convert to fraction form
    636,676,375.32/878,550,685.02 = 358,211,750.04/x
  3. Step 3: Cross multiply
    636,676,375.32x = 878,550,685.02 × 358,211,750.04
  4. Step 4: Simplify right side
    636,676,375.32x = 314,707,178,379,855,040
  5. Step 5: Solve for x
    x = 314,707,178,379,855,040/636,676,375.32
  6. Step 6: Final answer
    x = 494,296,931.03

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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.