Home / 623,059,718.40-934,678,051.20-192,193,286.40

Finding the Fourth Proportional to 623,059,718.40, 934,678,051.20 and 192,193,286.40

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Solution

The fourth proportional to 623,059,718.40, 934,678,051.20 and 192,193,286.40 is: 288,317,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,059,718.40 : 934,678,051.20 = 192,193,286.40 : x
  2. Step 2: Convert to fraction form
    623,059,718.40/934,678,051.20 = 192,193,286.40/x
  3. Step 3: Cross multiply
    623,059,718.40x = 934,678,051.20 × 192,193,286.40
  4. Step 4: Simplify right side
    623,059,718.40x = 179,638,846,386,075,488
  5. Step 5: Solve for x
    x = 179,638,846,386,075,488/623,059,718.40
  6. Step 6: Final answer
    x = 288,317,220.78

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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.