Home / 968,684,877.45-1,453,480,818.98-423,355,552.65

Finding the Fourth Proportional to 968,684,877.45, 1,453,480,818.98 and 423,355,552.65

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Solution

The fourth proportional to 968,684,877.45, 1,453,480,818.98 and 423,355,552.65 is: 635,231,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,684,877.45 : 1,453,480,818.98 = 423,355,552.65 : x
  2. Step 2: Convert to fraction form
    968,684,877.45/1,453,480,818.98 = 423,355,552.65/x
  3. Step 3: Cross multiply
    968,684,877.45x = 1,453,480,818.98 × 423,355,552.65
  4. Step 4: Simplify right side
    968,684,877.45x = 615,339,175,383,335,680
  5. Step 5: Solve for x
    x = 615,339,175,383,335,680/968,684,877.45
  6. Step 6: Final answer
    x = 635,231,528.55

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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.