Home / 516,095,698.40-712,211,749.80-284,308,690.40

Finding the Fourth Proportional to 516,095,698.40, 712,211,749.80 and 284,308,690.40

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Solution

The fourth proportional to 516,095,698.40, 712,211,749.80 and 284,308,690.40 is: 392,345,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,095,698.40 : 712,211,749.80 = 284,308,690.40 : x
  2. Step 2: Convert to fraction form
    516,095,698.40/712,211,749.80 = 284,308,690.40/x
  3. Step 3: Cross multiply
    516,095,698.40x = 712,211,749.80 × 284,308,690.40
  4. Step 4: Simplify right side
    516,095,698.40x = 202,487,989,873,130,432
  5. Step 5: Solve for x
    x = 202,487,989,873,130,432/516,095,698.40
  6. Step 6: Final answer
    x = 392,345,819.78

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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.