Home / 749,952,531.40-1,124,033,001.90-386,259,680.20

Finding the Fourth Proportional to 749,952,531.40, 1,124,033,001.90 and 386,259,680.20

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Solution

The fourth proportional to 749,952,531.40, 1,124,033,001.90 and 386,259,680.20 is: 578,928,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,952,531.40 : 1,124,033,001.90 = 386,259,680.20 : x
  2. Step 2: Convert to fraction form
    749,952,531.40/1,124,033,001.90 = 386,259,680.20/x
  3. Step 3: Cross multiply
    749,952,531.40x = 1,124,033,001.90 × 386,259,680.20
  4. Step 4: Simplify right side
    749,952,531.40x = 434,168,627,848,140,032
  5. Step 5: Solve for x
    x = 434,168,627,848,140,032/749,952,531.40
  6. Step 6: Final answer
    x = 578,928,145.01

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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.