Home / 559,874,763.60-839,812,145.40-314,986,750.80

Finding the Fourth Proportional to 559,874,763.60, 839,812,145.40 and 314,986,750.80

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Solution

The fourth proportional to 559,874,763.60, 839,812,145.40 and 314,986,750.80 is: 472,480,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,763.60 : 839,812,145.40 = 314,986,750.80 : x
  2. Step 2: Convert to fraction form
    559,874,763.60/839,812,145.40 = 314,986,750.80/x
  3. Step 3: Cross multiply
    559,874,763.60x = 839,812,145.40 × 314,986,750.80
  4. Step 4: Simplify right side
    559,874,763.60x = 264,529,698,961,923,168
  5. Step 5: Solve for x
    x = 264,529,698,961,923,168/559,874,763.60
  6. Step 6: Final answer
    x = 472,480,126.20

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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.