Home / 680,210,575.32-938,207,063.76-454,035,524.52

Finding the Fourth Proportional to 680,210,575.32, 938,207,063.76 and 454,035,524.52

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Solution

The fourth proportional to 680,210,575.32, 938,207,063.76 and 454,035,524.52 is: 626,246,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,210,575.32 : 938,207,063.76 = 454,035,524.52 : x
  2. Step 2: Convert to fraction form
    680,210,575.32/938,207,063.76 = 454,035,524.52/x
  3. Step 3: Cross multiply
    680,210,575.32x = 938,207,063.76 × 454,035,524.52
  4. Step 4: Simplify right side
    680,210,575.32x = 425,979,336,302,640,640
  5. Step 5: Solve for x
    x = 425,979,336,302,640,640/680,210,575.32
  6. Step 6: Final answer
    x = 626,246,271.02

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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.