Home / 516,095,620.40-712,211,642.16-284,308,612.40

Finding the Fourth Proportional to 516,095,620.40, 712,211,642.16 and 284,308,612.40

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Solution

The fourth proportional to 516,095,620.40, 712,211,642.16 and 284,308,612.40 is: 392,345,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,095,620.40 : 712,211,642.16 = 284,308,612.40 : x
  2. Step 2: Convert to fraction form
    516,095,620.40/712,211,642.16 = 284,308,612.40/x
  3. Step 3: Cross multiply
    516,095,620.40x = 712,211,642.16 × 284,308,612.40
  4. Step 4: Simplify right side
    516,095,620.40x = 202,487,903,717,634,912
  5. Step 5: Solve for x
    x = 202,487,903,717,634,912/516,095,620.40
  6. Step 6: Final answer
    x = 392,345,712.14

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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.