Home / 1,257,285,137.50-1,722,488,452.07-1,210,158,718.66

Finding the Fourth Proportional to 1,257,285,137.50, 1,722,488,452.07 and 1,210,158,718.66

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Solution

The fourth proportional to 1,257,285,137.50, 1,722,488,452.07 and 1,210,158,718.66 is: 1,657,924,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,285,137.50 : 1,722,488,452.07 = 1,210,158,718.66 : x
  2. Step 2: Convert to fraction form
    1,257,285,137.50/1,722,488,452.07 = 1,210,158,718.66/x
  3. Step 3: Cross multiply
    1,257,285,137.50x = 1,722,488,452.07 × 1,210,158,718.66
  4. Step 4: Simplify right side
    1,257,285,137.50x = 2,084,484,418,063,678,208
  5. Step 5: Solve for x
    x = 2,084,484,418,063,678,208/1,257,285,137.50
  6. Step 6: Final answer
    x = 1,657,924,965.38

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.