Home / 386,151,804.20-579,241,703.10-113,550,127.40

Finding the Fourth Proportional to 386,151,804.20, 579,241,703.10 and 113,550,127.40

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Solution

The fourth proportional to 386,151,804.20, 579,241,703.10 and 113,550,127.40 is: 170,329,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,151,804.20 : 579,241,703.10 = 113,550,127.40 : x
  2. Step 2: Convert to fraction form
    386,151,804.20/579,241,703.10 = 113,550,127.40/x
  3. Step 3: Cross multiply
    386,151,804.20x = 579,241,703.10 × 113,550,127.40
  4. Step 4: Simplify right side
    386,151,804.20x = 65,772,969,182,397,984
  5. Step 5: Solve for x
    x = 65,772,969,182,397,984/386,151,804.20
  6. Step 6: Final answer
    x = 170,329,306.94

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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.