Home / 578,286,586.17-867,413,324.93-163,762,427.12

Finding the Fourth Proportional to 578,286,586.17, 867,413,324.93 and 163,762,427.12

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Solution

The fourth proportional to 578,286,586.17, 867,413,324.93 and 163,762,427.12 is: 245,638,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,286,586.17 : 867,413,324.93 = 163,762,427.12 : x
  2. Step 2: Convert to fraction form
    578,286,586.17/867,413,324.93 = 163,762,427.12/x
  3. Step 3: Cross multiply
    578,286,586.17x = 867,413,324.93 × 163,762,427.12
  4. Step 4: Simplify right side
    578,286,586.17x = 142,049,711,401,610,128
  5. Step 5: Solve for x
    x = 142,049,711,401,610,128/578,286,586.17
  6. Step 6: Final answer
    x = 245,638,952.72

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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.