Home / 749,952,530.40-1,124,033,000.40-386,259,679.20

Finding the Fourth Proportional to 749,952,530.40, 1,124,033,000.40 and 386,259,679.20

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Solution

The fourth proportional to 749,952,530.40, 1,124,033,000.40 and 386,259,679.20 is: 578,928,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,952,530.40 : 1,124,033,000.40 = 386,259,679.20 : x
  2. Step 2: Convert to fraction form
    749,952,530.40/1,124,033,000.40 = 386,259,679.20/x
  3. Step 3: Cross multiply
    749,952,530.40x = 1,124,033,000.40 × 386,259,679.20
  4. Step 4: Simplify right side
    749,952,530.40x = 434,168,626,144,717,504
  5. Step 5: Solve for x
    x = 434,168,626,144,717,504/749,952,530.40
  6. Step 6: Final answer
    x = 578,928,143.51

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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.