Home / 813,060,953.48-1,121,924,919-455,746,264.97

Finding the Fourth Proportional to 813,060,953.48, 1,121,924,919 and 455,746,264.97

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Solution

The fourth proportional to 813,060,953.48, 1,121,924,919 and 455,746,264.97 is: 628,874,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,060,953.48 : 1,121,924,919 = 455,746,264.97 : x
  2. Step 2: Convert to fraction form
    813,060,953.48/1,121,924,919 = 455,746,264.97/x
  3. Step 3: Cross multiply
    813,060,953.48x = 1,121,924,919 × 455,746,264.97
  4. Step 4: Simplify right side
    813,060,953.48x = 511,313,091,405,410,112
  5. Step 5: Solve for x
    x = 511,313,091,405,410,112/813,060,953.48
  6. Step 6: Final answer
    x = 628,874,242.72

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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.