Home / 708,968,150.90-1,063,610,330.04-217,730,994.70

Finding the Fourth Proportional to 708,968,150.90, 1,063,610,330.04 and 217,730,994.70

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Solution

The fourth proportional to 708,968,150.90, 1,063,610,330.04 and 217,730,994.70 is: 326,645,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,968,150.90 : 1,063,610,330.04 = 217,730,994.70 : x
  2. Step 2: Convert to fraction form
    708,968,150.90/1,063,610,330.04 = 217,730,994.70/x
  3. Step 3: Cross multiply
    708,968,150.90x = 1,063,610,330.04 × 217,730,994.70
  4. Step 4: Simplify right side
    708,968,150.90x = 231,580,935,132,804,480
  5. Step 5: Solve for x
    x = 231,580,935,132,804,480/708,968,150.90
  6. Step 6: Final answer
    x = 326,645,047.23

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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.