Home / 412,017,243.76-617,929,986.76-153,354,280.24

Finding the Fourth Proportional to 412,017,243.76, 617,929,986.76 and 153,354,280.24

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Solution

The fourth proportional to 412,017,243.76, 617,929,986.76 and 153,354,280.24 is: 229,995,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,017,243.76 : 617,929,986.76 = 153,354,280.24 : x
  2. Step 2: Convert to fraction form
    412,017,243.76/617,929,986.76 = 153,354,280.24/x
  3. Step 3: Cross multiply
    412,017,243.76x = 617,929,986.76 × 153,354,280.24
  4. Step 4: Simplify right side
    412,017,243.76x = 94,762,208,358,292,528
  5. Step 5: Solve for x
    x = 94,762,208,358,292,528/412,017,243.76
  6. Step 6: Final answer
    x = 229,995,733.90

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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.