Home / 674,071,848.40-1,011,107,772.60-414,445,205.20

Finding the Fourth Proportional to 674,071,848.40, 1,011,107,772.60 and 414,445,205.20

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Solution

The fourth proportional to 674,071,848.40, 1,011,107,772.60 and 414,445,205.20 is: 621,667,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,071,848.40 : 1,011,107,772.60 = 414,445,205.20 : x
  2. Step 2: Convert to fraction form
    674,071,848.40/1,011,107,772.60 = 414,445,205.20/x
  3. Step 3: Cross multiply
    674,071,848.40x = 1,011,107,772.60 × 414,445,205.20
  4. Step 4: Simplify right side
    674,071,848.40x = 419,048,768,294,521,920
  5. Step 5: Solve for x
    x = 419,048,768,294,521,920/674,071,848.40
  6. Step 6: Final answer
    x = 621,667,807.80

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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.