Home / 386,331,100.49-533,275,594.43-229,697,833.81

Finding the Fourth Proportional to 386,331,100.49, 533,275,594.43 and 229,697,833.81

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Solution

The fourth proportional to 386,331,100.49, 533,275,594.43 and 229,697,833.81 is: 317,065,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,331,100.49 : 533,275,594.43 = 229,697,833.81 : x
  2. Step 2: Convert to fraction form
    386,331,100.49/533,275,594.43 = 229,697,833.81/x
  3. Step 3: Cross multiply
    386,331,100.49x = 533,275,594.43 × 229,697,833.81
  4. Step 4: Simplify right side
    386,331,100.49x = 122,492,248,863,552,160
  5. Step 5: Solve for x
    x = 122,492,248,863,552,160/386,331,100.49
  6. Step 6: Final answer
    x = 317,065,462.00

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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.