Home / 738,714,598.15-1,019,418,587.17-408,692,099.11

Finding the Fourth Proportional to 738,714,598.15, 1,019,418,587.17 and 408,692,099.11

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Solution

The fourth proportional to 738,714,598.15, 1,019,418,587.17 and 408,692,099.11 is: 563,990,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,714,598.15 : 1,019,418,587.17 = 408,692,099.11 : x
  2. Step 2: Convert to fraction form
    738,714,598.15/1,019,418,587.17 = 408,692,099.11/x
  3. Step 3: Cross multiply
    738,714,598.15x = 1,019,418,587.17 × 408,692,099.11
  4. Step 4: Simplify right side
    738,714,598.15x = 416,628,322,263,279,552
  5. Step 5: Solve for x
    x = 416,628,322,263,279,552/738,714,598.15
  6. Step 6: Final answer
    x = 563,990,915.17

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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.