Home / 1,118,256,990.18-1,543,199,323.29-616,454,760.93

Finding the Fourth Proportional to 1,118,256,990.18, 1,543,199,323.29 and 616,454,760.93

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Solution

The fourth proportional to 1,118,256,990.18, 1,543,199,323.29 and 616,454,760.93 is: 850,710,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,256,990.18 : 1,543,199,323.29 = 616,454,760.93 : x
  2. Step 2: Convert to fraction form
    1,118,256,990.18/1,543,199,323.29 = 616,454,760.93/x
  3. Step 3: Cross multiply
    1,118,256,990.18x = 1,543,199,323.29 × 616,454,760.93
  4. Step 4: Simplify right side
    1,118,256,990.18x = 951,312,569,906,074,624
  5. Step 5: Solve for x
    x = 951,312,569,906,074,624/1,118,256,990.18
  6. Step 6: Final answer
    x = 850,710,148.26

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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.