Home / 784,550,944.10-1,176,826,416.15-440,177,176.10

Finding the Fourth Proportional to 784,550,944.10, 1,176,826,416.15 and 440,177,176.10

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Solution

The fourth proportional to 784,550,944.10, 1,176,826,416.15 and 440,177,176.10 is: 660,265,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,550,944.10 : 1,176,826,416.15 = 440,177,176.10 : x
  2. Step 2: Convert to fraction form
    784,550,944.10/1,176,826,416.15 = 440,177,176.10/x
  3. Step 3: Cross multiply
    784,550,944.10x = 1,176,826,416.15 × 440,177,176.10
  4. Step 4: Simplify right side
    784,550,944.10x = 518,012,128,620,790,528
  5. Step 5: Solve for x
    x = 518,012,128,620,790,528/784,550,944.10
  6. Step 6: Final answer
    x = 660,265,764.15

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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.