Home / 1,325,276,462.80-1,987,896,031.80-598,264,008.40

Finding the Fourth Proportional to 1,325,276,462.80, 1,987,896,031.80 and 598,264,008.40

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Solution

The fourth proportional to 1,325,276,462.80, 1,987,896,031.80 and 598,264,008.40 is: 897,387,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,276,462.80 : 1,987,896,031.80 = 598,264,008.40 : x
  2. Step 2: Convert to fraction form
    1,325,276,462.80/1,987,896,031.80 = 598,264,008.40/x
  3. Step 3: Cross multiply
    1,325,276,462.80x = 1,987,896,031.80 × 598,264,008.40
  4. Step 4: Simplify right side
    1,325,276,462.80x = 1,189,286,648,267,121,664
  5. Step 5: Solve for x
    x = 1,189,286,648,267,121,664/1,325,276,462.80
  6. Step 6: Final answer
    x = 897,387,587.91

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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.