Home / 847,386,262.50-1,271,055,897.17-225,606,828.90

Finding the Fourth Proportional to 847,386,262.50, 1,271,055,897.17 and 225,606,828.90

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Solution

The fourth proportional to 847,386,262.50, 1,271,055,897.17 and 225,606,828.90 is: 338,403,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386,262.50 : 1,271,055,897.17 = 225,606,828.90 : x
  2. Step 2: Convert to fraction form
    847,386,262.50/1,271,055,897.17 = 225,606,828.90/x
  3. Step 3: Cross multiply
    847,386,262.50x = 1,271,055,897.17 × 225,606,828.90
  4. Step 4: Simplify right side
    847,386,262.50x = 286,758,890,315,168,224
  5. Step 5: Solve for x
    x = 286,758,890,315,168,224/847,386,262.50
  6. Step 6: Final answer
    x = 338,403,987.66

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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.