Home / 914,079,506.18-1,261,815,903.40-617,124,004.26

Finding the Fourth Proportional to 914,079,506.18, 1,261,815,903.40 and 617,124,004.26

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Solution

The fourth proportional to 914,079,506.18, 1,261,815,903.40 and 617,124,004.26 is: 851,891,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,506.18 : 1,261,815,903.40 = 617,124,004.26 : x
  2. Step 2: Convert to fraction form
    914,079,506.18/1,261,815,903.40 = 617,124,004.26/x
  3. Step 3: Cross multiply
    914,079,506.18x = 1,261,815,903.40 × 617,124,004.26
  4. Step 4: Simplify right side
    914,079,506.18x = 778,696,882,945,157,376
  5. Step 5: Solve for x
    x = 778,696,882,945,157,376/914,079,506.18
  6. Step 6: Final answer
    x = 851,891,851.51

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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.