Home / 785,056,657,609.50-1,083,378,189,587.20-424,174,472,106

Finding the Fourth Proportional to 785,056,657,609.50, 1,083,378,189,587.20 and 424,174,472,106

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Solution

The fourth proportional to 785,056,657,609.50, 1,083,378,189,587.20 and 424,174,472,106 is: 585,360,772,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,056,657,609.50 : 1,083,378,189,587.20 = 424,174,472,106 : x
  2. Step 2: Convert to fraction form
    785,056,657,609.50/1,083,378,189,587.20 = 424,174,472,106/x
  3. Step 3: Cross multiply
    785,056,657,609.50x = 1,083,378,189,587.20 × 424,174,472,106
  4. Step 4: Simplify right side
    785,056,657,609.50x = 459,541,371,659,304,543,715,328
  5. Step 5: Solve for x
    x = 459,541,371,659,304,543,715,328/785,056,657,609.50
  6. Step 6: Final answer
    x = 585,360,772,633.42

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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.