Home / 1,156,370,935,827.50-1,595,830,161,870.10-635,544,815,121.78

Finding the Fourth Proportional to 1,156,370,935,827.50, 1,595,830,161,870.10 and 635,544,815,121.78

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Solution

The fourth proportional to 1,156,370,935,827.50, 1,595,830,161,870.10 and 635,544,815,121.78 is: 877,072,878,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,370,935,827.50 : 1,595,830,161,870.10 = 635,544,815,121.78 : x
  2. Step 2: Convert to fraction form
    1,156,370,935,827.50/1,595,830,161,870.10 = 635,544,815,121.78/x
  3. Step 3: Cross multiply
    1,156,370,935,827.50x = 1,595,830,161,870.10 × 635,544,815,121.78
  4. Step 4: Simplify right side
    1,156,370,935,827.50x = 1,014,221,585,191,493,118,722,048
  5. Step 5: Solve for x
    x = 1,014,221,585,191,493,118,722,048/1,156,370,935,827.50
  6. Step 6: Final answer
    x = 877,072,878,406.20

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Double scale
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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.