Home / 557,636,637.20-836,454,955.80-194,010,141.20

Finding the Fourth Proportional to 557,636,637.20, 836,454,955.80 and 194,010,141.20

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Solution

The fourth proportional to 557,636,637.20, 836,454,955.80 and 194,010,141.20 is: 291,015,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,636,637.20 : 836,454,955.80 = 194,010,141.20 : x
  2. Step 2: Convert to fraction form
    557,636,637.20/836,454,955.80 = 194,010,141.20/x
  3. Step 3: Cross multiply
    557,636,637.20x = 836,454,955.80 × 194,010,141.20
  4. Step 4: Simplify right side
    557,636,637.20x = 162,280,744,082,197,728
  5. Step 5: Solve for x
    x = 162,280,744,082,197,728/557,636,637.20
  6. Step 6: Final answer
    x = 291,015,211.80

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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.