Home / 666,858,737.09-1,000,197,298.95-175,530,863.81

Finding the Fourth Proportional to 666,858,737.09, 1,000,197,298.95 and 175,530,863.81

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Solution

The fourth proportional to 666,858,737.09, 1,000,197,298.95 and 175,530,863.81 is: 263,272,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,858,737.09 : 1,000,197,298.95 = 175,530,863.81 : x
  2. Step 2: Convert to fraction form
    666,858,737.09/1,000,197,298.95 = 175,530,863.81/x
  3. Step 3: Cross multiply
    666,858,737.09x = 1,000,197,298.95 × 175,530,863.81
  4. Step 4: Simplify right side
    666,858,737.09x = 175,565,495,865,122,304
  5. Step 5: Solve for x
    x = 175,565,495,865,122,304/666,858,737.09
  6. Step 6: Final answer
    x = 263,272,393.54

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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.