Home / 528,869,719.80-793,304,579.70-165,400,817.40

Finding the Fourth Proportional to 528,869,719.80, 793,304,579.70 and 165,400,817.40

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Solution

The fourth proportional to 528,869,719.80, 793,304,579.70 and 165,400,817.40 is: 248,101,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,869,719.80 : 793,304,579.70 = 165,400,817.40 : x
  2. Step 2: Convert to fraction form
    528,869,719.80/793,304,579.70 = 165,400,817.40/x
  3. Step 3: Cross multiply
    528,869,719.80x = 793,304,579.70 × 165,400,817.40
  4. Step 4: Simplify right side
    528,869,719.80x = 131,213,225,929,543,456
  5. Step 5: Solve for x
    x = 131,213,225,929,543,456/528,869,719.80
  6. Step 6: Final answer
    x = 248,101,226.10

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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.