Home / 516,095,618.40-712,211,639.40-284,308,610.40

Finding the Fourth Proportional to 516,095,618.40, 712,211,639.40 and 284,308,610.40

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Solution

The fourth proportional to 516,095,618.40, 712,211,639.40 and 284,308,610.40 is: 392,345,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,095,618.40 : 712,211,639.40 = 284,308,610.40 : x
  2. Step 2: Convert to fraction form
    516,095,618.40/712,211,639.40 = 284,308,610.40/x
  3. Step 3: Cross multiply
    516,095,618.40x = 712,211,639.40 × 284,308,610.40
  4. Step 4: Simplify right side
    516,095,618.40x = 202,487,901,508,519,872
  5. Step 5: Solve for x
    x = 202,487,901,508,519,872/516,095,618.40
  6. Step 6: Final answer
    x = 392,345,709.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.