Home / 442,758,024.32-664,068,925.96-147,658,328.60

Finding the Fourth Proportional to 442,758,024.32, 664,068,925.96 and 147,658,328.60

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Solution

The fourth proportional to 442,758,024.32, 664,068,925.96 and 147,658,328.60 is: 221,464,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,758,024.32 : 664,068,925.96 = 147,658,328.60 : x
  2. Step 2: Convert to fraction form
    442,758,024.32/664,068,925.96 = 147,658,328.60/x
  3. Step 3: Cross multiply
    442,758,024.32x = 664,068,925.96 × 147,658,328.60
  4. Step 4: Simplify right side
    442,758,024.32x = 98,055,307,682,450,752
  5. Step 5: Solve for x
    x = 98,055,307,682,450,752/442,758,024.32
  6. Step 6: Final answer
    x = 221,464,778.27

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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.