Home / 1,238,964,041.10-1,858,446,061.65-548,137,980.30

Finding the Fourth Proportional to 1,238,964,041.10, 1,858,446,061.65 and 548,137,980.30

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Solution

The fourth proportional to 1,238,964,041.10, 1,858,446,061.65 and 548,137,980.30 is: 822,206,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,964,041.10 : 1,858,446,061.65 = 548,137,980.30 : x
  2. Step 2: Convert to fraction form
    1,238,964,041.10/1,858,446,061.65 = 548,137,980.30/x
  3. Step 3: Cross multiply
    1,238,964,041.10x = 1,858,446,061.65 × 548,137,980.30
  4. Step 4: Simplify right side
    1,238,964,041.10x = 1,018,684,870,729,320,192
  5. Step 5: Solve for x
    x = 1,018,684,870,729,320,192/1,238,964,041.10
  6. Step 6: Final answer
    x = 822,206,970.45

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Half scale
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Double scale
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Similar ratio
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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.