Home / 1,043,865,279-1,440,497,211.39-573,963,309.72

Finding the Fourth Proportional to 1,043,865,279, 1,440,497,211.39 and 573,963,309.72

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Solution

The fourth proportional to 1,043,865,279, 1,440,497,211.39 and 573,963,309.72 is: 792,049,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,865,279 : 1,440,497,211.39 = 573,963,309.72 : x
  2. Step 2: Convert to fraction form
    1,043,865,279/1,440,497,211.39 = 573,963,309.72/x
  3. Step 3: Cross multiply
    1,043,865,279x = 1,440,497,211.39 × 573,963,309.72
  4. Step 4: Simplify right side
    1,043,865,279x = 826,792,547,091,835,008
  5. Step 5: Solve for x
    x = 826,792,547,091,835,008/1,043,865,279
  6. Step 6: Final answer
    x = 792,049,092.66

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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.