Home / 540,665,223.36-808,776,706.72-431,703,219.04

Finding the Fourth Proportional to 540,665,223.36, 808,776,706.72 and 431,703,219.04

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Solution

The fourth proportional to 540,665,223.36, 808,776,706.72 and 431,703,219.04 is: 645,781,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,665,223.36 : 808,776,706.72 = 431,703,219.04 : x
  2. Step 2: Convert to fraction form
    540,665,223.36/808,776,706.72 = 431,703,219.04/x
  3. Step 3: Cross multiply
    540,665,223.36x = 808,776,706.72 × 431,703,219.04
  4. Step 4: Simplify right side
    540,665,223.36x = 349,151,507,775,594,048
  5. Step 5: Solve for x
    x = 349,151,507,775,594,048/540,665,223.36
  6. Step 6: Final answer
    x = 645,781,331.39

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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.