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Finding the Fourth Proportional to 514,759,566.74, 710,368,659.84 and 279,810,227.22

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Solution

The fourth proportional to 514,759,566.74, 710,368,659.84 and 279,810,227.22 is: 386,138,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,759,566.74 : 710,368,659.84 = 279,810,227.22 : x
  2. Step 2: Convert to fraction form
    514,759,566.74/710,368,659.84 = 279,810,227.22/x
  3. Step 3: Cross multiply
    514,759,566.74x = 710,368,659.84 × 279,810,227.22
  4. Step 4: Simplify right side
    514,759,566.74x = 198,768,416,116,245,440
  5. Step 5: Solve for x
    x = 198,768,416,116,245,440/514,759,566.74
  6. Step 6: Final answer
    x = 386,138,362.38

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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.