Home / 42,209,760,747.72-63,316,677,432.48-13,879,065,027.84

Finding the Fourth Proportional to 42,209,760,747.72, 63,316,677,432.48 and 13,879,065,027.84

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Solution

The fourth proportional to 42,209,760,747.72, 63,316,677,432.48 and 13,879,065,027.84 is: 20,819,267,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209,760,747.72 : 63,316,677,432.48 = 13,879,065,027.84 : x
  2. Step 2: Convert to fraction form
    42,209,760,747.72/63,316,677,432.48 = 13,879,065,027.84/x
  3. Step 3: Cross multiply
    42,209,760,747.72x = 63,316,677,432.48 × 13,879,065,027.84
  4. Step 4: Simplify right side
    42,209,760,747.72x = 878,776,283,432,159,412,224
  5. Step 5: Solve for x
    x = 878,776,283,432,159,412,224/42,209,760,747.72
  6. Step 6: Final answer
    x = 20,819,267,104.70

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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.