Home / 613,127,223.20-845,989,260.80-352,316,450.72

Finding the Fourth Proportional to 613,127,223.20, 845,989,260.80 and 352,316,450.72

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Solution

The fourth proportional to 613,127,223.20, 845,989,260.80 and 352,316,450.72 is: 486,124,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,127,223.20 : 845,989,260.80 = 352,316,450.72 : x
  2. Step 2: Convert to fraction form
    613,127,223.20/845,989,260.80 = 352,316,450.72/x
  3. Step 3: Cross multiply
    613,127,223.20x = 845,989,260.80 × 352,316,450.72
  4. Step 4: Simplify right side
    613,127,223.20x = 298,055,933,712,292,416
  5. Step 5: Solve for x
    x = 298,055,933,712,292,416/613,127,223.20
  6. Step 6: Final answer
    x = 486,124,123.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.