Home / 776,952,000.40-1,165,002,847.80-316,369,800.40

Finding the Fourth Proportional to 776,952,000.40, 1,165,002,847.80 and 316,369,800.40

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Solution

The fourth proportional to 776,952,000.40, 1,165,002,847.80 and 316,369,800.40 is: 474,381,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,952,000.40 : 1,165,002,847.80 = 316,369,800.40 : x
  2. Step 2: Convert to fraction form
    776,952,000.40/1,165,002,847.80 = 316,369,800.40/x
  3. Step 3: Cross multiply
    776,952,000.40x = 1,165,002,847.80 × 316,369,800.40
  4. Step 4: Simplify right side
    776,952,000.40x = 368,571,718,423,917,568
  5. Step 5: Solve for x
    x = 368,571,718,423,917,568/776,952,000.40
  6. Step 6: Final answer
    x = 474,381,581.15

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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.