Home / 199,730,959,590.39-275,649,267,758.61-121,521,607,893.92

Finding the Fourth Proportional to 199,730,959,590.39, 275,649,267,758.61 and 121,521,607,893.92

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Solution

The fourth proportional to 199,730,959,590.39, 275,649,267,758.61 and 121,521,607,893.92 is: 167,712,318,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,730,959,590.39 : 275,649,267,758.61 = 121,521,607,893.92 : x
  2. Step 2: Convert to fraction form
    199,730,959,590.39/275,649,267,758.61 = 121,521,607,893.92/x
  3. Step 3: Cross multiply
    199,730,959,590.39x = 275,649,267,758.61 × 121,521,607,893.92
  4. Step 4: Simplify right side
    199,730,959,590.39x = 33,497,342,232,807,964,934,144
  5. Step 5: Solve for x
    x = 33,497,342,232,807,964,934,144/199,730,959,590.39
  6. Step 6: Final answer
    x = 167,712,318,117.86

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1.5x scale

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.