Home / 1,282,356,492.76-1,769,655,367.02-695,645,628.76

Finding the Fourth Proportional to 1,282,356,492.76, 1,769,655,367.02 and 695,645,628.76

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Solution

The fourth proportional to 1,282,356,492.76, 1,769,655,367.02 and 695,645,628.76 is: 959,992,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,356,492.76 : 1,769,655,367.02 = 695,645,628.76 : x
  2. Step 2: Convert to fraction form
    1,282,356,492.76/1,769,655,367.02 = 695,645,628.76/x
  3. Step 3: Cross multiply
    1,282,356,492.76x = 1,769,655,367.02 × 695,645,628.76
  4. Step 4: Simplify right side
    1,282,356,492.76x = 1,231,053,020,479,136,512
  5. Step 5: Solve for x
    x = 1,231,053,020,479,136,512/1,282,356,492.76
  6. Step 6: Final answer
    x = 959,992,815.91

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Double scale
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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.