Home / 723,823,158.96-1,086,101,431.77-330,306,376.49

Finding the Fourth Proportional to 723,823,158.96, 1,086,101,431.77 and 330,306,376.49

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Solution

The fourth proportional to 723,823,158.96, 1,086,101,431.77 and 330,306,376.49 is: 495,626,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,823,158.96 : 1,086,101,431.77 = 330,306,376.49 : x
  2. Step 2: Convert to fraction form
    723,823,158.96/1,086,101,431.77 = 330,306,376.49/x
  3. Step 3: Cross multiply
    723,823,158.96x = 1,086,101,431.77 × 330,306,376.49
  4. Step 4: Simplify right side
    723,823,158.96x = 358,746,228,423,119,168
  5. Step 5: Solve for x
    x = 358,746,228,423,119,168/723,823,158.96
  6. Step 6: Final answer
    x = 495,626,900.00

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1.5x scale

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.