Home / 914,079,507.16-1,261,815,904.80-617,124,005.28

Finding the Fourth Proportional to 914,079,507.16, 1,261,815,904.80 and 617,124,005.28

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Solution

The fourth proportional to 914,079,507.16, 1,261,815,904.80 and 617,124,005.28 is: 851,891,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,079,507.16 : 1,261,815,904.80 = 617,124,005.28 : x
  2. Step 2: Convert to fraction form
    914,079,507.16/1,261,815,904.80 = 617,124,005.28/x
  3. Step 3: Cross multiply
    914,079,507.16x = 1,261,815,904.80 × 617,124,005.28
  4. Step 4: Simplify right side
    914,079,507.16x = 778,696,885,096,183,168
  5. Step 5: Solve for x
    x = 778,696,885,096,183,168/914,079,507.16
  6. Step 6: Final answer
    x = 851,891,852.95

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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.