Home / 929,020,869.75-1,393,661,925.45-298,541,554.32

Finding the Fourth Proportional to 929,020,869.75, 1,393,661,925.45 and 298,541,554.32

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Solution

The fourth proportional to 929,020,869.75, 1,393,661,925.45 and 298,541,554.32 is: 447,854,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,020,869.75 : 1,393,661,925.45 = 298,541,554.32 : x
  2. Step 2: Convert to fraction form
    929,020,869.75/1,393,661,925.45 = 298,541,554.32/x
  3. Step 3: Cross multiply
    929,020,869.75x = 1,393,661,925.45 × 298,541,554.32
  4. Step 4: Simplify right side
    929,020,869.75x = 416,065,997,417,840,832
  5. Step 5: Solve for x
    x = 416,065,997,417,840,832/929,020,869.75
  6. Step 6: Final answer
    x = 447,854,306.58

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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.