Home / 1,435,865,126.45-1,981,646,213.23-841,648,862.39

Finding the Fourth Proportional to 1,435,865,126.45, 1,981,646,213.23 and 841,648,862.39

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Solution

The fourth proportional to 1,435,865,126.45, 1,981,646,213.23 and 841,648,862.39 is: 1,161,564,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,865,126.45 : 1,981,646,213.23 = 841,648,862.39 : x
  2. Step 2: Convert to fraction form
    1,435,865,126.45/1,981,646,213.23 = 841,648,862.39/x
  3. Step 3: Cross multiply
    1,435,865,126.45x = 1,981,646,213.23 × 841,648,862.39
  4. Step 4: Simplify right side
    1,435,865,126.45x = 1,667,850,281,017,422,592
  5. Step 5: Solve for x
    x = 1,667,850,281,017,422,592/1,435,865,126.45
  6. Step 6: Final answer
    x = 1,161,564,725.19

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Double scale
Find fourth proportional to 1,435,865,127.45, 1,981,646,214.61 and 841,648,863.39
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1.5x scale

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.