Home / 914,079,513.16-1,261,815,913.08-617,124,011.26

Finding the Fourth Proportional to 914,079,513.16, 1,261,815,913.08 and 617,124,011.26

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Solution

The fourth proportional to 914,079,513.16, 1,261,815,913.08 and 617,124,011.26 is: 851,891,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,513.16 : 1,261,815,913.08 = 617,124,011.26 : x
  2. Step 2: Convert to fraction form
    914,079,513.16/1,261,815,913.08 = 617,124,011.26/x
  3. Step 3: Cross multiply
    914,079,513.16x = 1,261,815,913.08 × 617,124,011.26
  4. Step 4: Simplify right side
    914,079,513.16x = 778,696,897,751,629,056
  5. Step 5: Solve for x
    x = 778,696,897,751,629,056/914,079,513.16
  6. Step 6: Final answer
    x = 851,891,861.20

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Double scale
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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.