Home / 487,021,989.60-730,532,984.40-370,795,842.90

Finding the Fourth Proportional to 487,021,989.60, 730,532,984.40 and 370,795,842.90

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Solution

The fourth proportional to 487,021,989.60, 730,532,984.40 and 370,795,842.90 is: 556,193,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,021,989.60 : 730,532,984.40 = 370,795,842.90 : x
  2. Step 2: Convert to fraction form
    487,021,989.60/730,532,984.40 = 370,795,842.90/x
  3. Step 3: Cross multiply
    487,021,989.60x = 730,532,984.40 × 370,795,842.90
  4. Step 4: Simplify right side
    487,021,989.60x = 270,878,593,716,850,528
  5. Step 5: Solve for x
    x = 270,878,593,716,850,528/487,021,989.60
  6. Step 6: Final answer
    x = 556,193,764.35

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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.