Home / 586,655,821.56-879,436,671-198,206,994.24

Finding the Fourth Proportional to 586,655,821.56, 879,436,671 and 198,206,994.24

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Solution

The fourth proportional to 586,655,821.56, 879,436,671 and 198,206,994.24 is: 297,125,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,655,821.56 : 879,436,671 = 198,206,994.24 : x
  2. Step 2: Convert to fraction form
    586,655,821.56/879,436,671 = 198,206,994.24/x
  3. Step 3: Cross multiply
    586,655,821.56x = 879,436,671 × 198,206,994.24
  4. Step 4: Simplify right side
    586,655,821.56x = 174,310,499,183,341,792
  5. Step 5: Solve for x
    x = 174,310,499,183,341,792/586,655,821.56
  6. Step 6: Final answer
    x = 297,125,661.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.