Home / 1,042,921,046.40-1,564,381,569.60-874,560,537.60

Finding the Fourth Proportional to 1,042,921,046.40, 1,564,381,569.60 and 874,560,537.60

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Solution

The fourth proportional to 1,042,921,046.40, 1,564,381,569.60 and 874,560,537.60 is: 1,311,840,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,921,046.40 : 1,564,381,569.60 = 874,560,537.60 : x
  2. Step 2: Convert to fraction form
    1,042,921,046.40/1,564,381,569.60 = 874,560,537.60/x
  3. Step 3: Cross multiply
    1,042,921,046.40x = 1,564,381,569.60 × 874,560,537.60
  4. Step 4: Simplify right side
    1,042,921,046.40x = 1,368,146,386,520,907,776
  5. Step 5: Solve for x
    x = 1,368,146,386,520,907,776/1,042,921,046.40
  6. Step 6: Final answer
    x = 1,311,840,806.40

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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.