Home / 723,392,032.41-1,085,140,346.59-302,790,392.46

Finding the Fourth Proportional to 723,392,032.41, 1,085,140,346.59 and 302,790,392.46

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Solution

The fourth proportional to 723,392,032.41, 1,085,140,346.59 and 302,790,392.46 is: 454,207,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,392,032.41 : 1,085,140,346.59 = 302,790,392.46 : x
  2. Step 2: Convert to fraction form
    723,392,032.41/1,085,140,346.59 = 302,790,392.46/x
  3. Step 3: Cross multiply
    723,392,032.41x = 1,085,140,346.59 × 302,790,392.46
  4. Step 4: Simplify right side
    723,392,032.41x = 328,570,071,418,408,384
  5. Step 5: Solve for x
    x = 328,570,071,418,408,384/723,392,032.41
  6. Step 6: Final answer
    x = 454,207,479.07

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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.