Home / 575,505,049.95-863,257,574.93-212,141,123.55

Finding the Fourth Proportional to 575,505,049.95, 863,257,574.93 and 212,141,123.55

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Solution

The fourth proportional to 575,505,049.95, 863,257,574.93 and 212,141,123.55 is: 318,211,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505,049.95 : 863,257,574.93 = 212,141,123.55 : x
  2. Step 2: Convert to fraction form
    575,505,049.95/863,257,574.93 = 212,141,123.55/x
  3. Step 3: Cross multiply
    575,505,049.95x = 863,257,574.93 × 212,141,123.55
  4. Step 4: Simplify right side
    575,505,049.95x = 183,132,431,857,637,792
  5. Step 5: Solve for x
    x = 183,132,431,857,637,792/575,505,049.95
  6. Step 6: Final answer
    x = 318,211,685.33

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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.