Home / 1,248,370,807.64-1,869,950,426.36-748,796,982.84

Finding the Fourth Proportional to 1,248,370,807.64, 1,869,950,426.36 and 748,796,982.84

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Solution

The fourth proportional to 1,248,370,807.64, 1,869,950,426.36 and 748,796,982.84 is: 1,121,632,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,370,807.64 : 1,869,950,426.36 = 748,796,982.84 : x
  2. Step 2: Convert to fraction form
    1,248,370,807.64/1,869,950,426.36 = 748,796,982.84/x
  3. Step 3: Cross multiply
    1,248,370,807.64x = 1,869,950,426.36 × 748,796,982.84
  4. Step 4: Simplify right side
    1,248,370,807.64x = 1,400,213,237,318,739,712
  5. Step 5: Solve for x
    x = 1,400,213,237,318,739,712/1,248,370,807.64
  6. Step 6: Final answer
    x = 1,121,632,473.90

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Double scale
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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.