Home / 914,079,503.93-1,261,815,900.30-617,124,002.02

Finding the Fourth Proportional to 914,079,503.93, 1,261,815,900.30 and 617,124,002.02

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Solution

The fourth proportional to 914,079,503.93, 1,261,815,900.30 and 617,124,002.02 is: 851,891,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,503.93 : 1,261,815,900.30 = 617,124,002.02 : x
  2. Step 2: Convert to fraction form
    914,079,503.93/1,261,815,900.30 = 617,124,002.02/x
  3. Step 3: Cross multiply
    914,079,503.93x = 1,261,815,900.30 × 617,124,002.02
  4. Step 4: Simplify right side
    914,079,503.93x = 778,696,878,202,450,816
  5. Step 5: Solve for x
    x = 778,696,878,202,450,816/914,079,503.93
  6. Step 6: Final answer
    x = 851,891,848.42

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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.