Home / 42,604,579,936.80-63,906,869,905.20-17,779,057,639.20

Finding the Fourth Proportional to 42,604,579,936.80, 63,906,869,905.20 and 17,779,057,639.20

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Solution

The fourth proportional to 42,604,579,936.80, 63,906,869,905.20 and 17,779,057,639.20 is: 26,668,586,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604,579,936.80 : 63,906,869,905.20 = 17,779,057,639.20 : x
  2. Step 2: Convert to fraction form
    42,604,579,936.80/63,906,869,905.20 = 17,779,057,639.20/x
  3. Step 3: Cross multiply
    42,604,579,936.80x = 63,906,869,905.20 × 17,779,057,639.20
  4. Step 4: Simplify right side
    42,604,579,936.80x = 1,136,203,923,585,406,599,168
  5. Step 5: Solve for x
    x = 1,136,203,923,585,406,599,168/42,604,579,936.80
  6. Step 6: Final answer
    x = 26,668,586,458.80

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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.