Home / 1,040,547,124.59-1,560,197,366.64-331,189,281.60

Finding the Fourth Proportional to 1,040,547,124.59, 1,560,197,366.64 and 331,189,281.60

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Solution

The fourth proportional to 1,040,547,124.59, 1,560,197,366.64 and 331,189,281.60 is: 496,585,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,547,124.59 : 1,560,197,366.64 = 331,189,281.60 : x
  2. Step 2: Convert to fraction form
    1,040,547,124.59/1,560,197,366.64 = 331,189,281.60/x
  3. Step 3: Cross multiply
    1,040,547,124.59x = 1,560,197,366.64 × 331,189,281.60
  4. Step 4: Simplify right side
    1,040,547,124.59x = 516,720,645,011,713,472
  5. Step 5: Solve for x
    x = 516,720,645,011,713,472/1,040,547,124.59
  6. Step 6: Final answer
    x = 496,585,529.67

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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.