Home / 514,328,419.04-709,772,678.88-279,379,266.08

Finding the Fourth Proportional to 514,328,419.04, 709,772,678.88 and 279,379,266.08

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Solution

The fourth proportional to 514,328,419.04, 709,772,678.88 and 279,379,266.08 is: 385,543,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,328,419.04 : 709,772,678.88 = 279,379,266.08 : x
  2. Step 2: Convert to fraction form
    514,328,419.04/709,772,678.88 = 279,379,266.08/x
  3. Step 3: Cross multiply
    514,328,419.04x = 709,772,678.88 × 279,379,266.08
  4. Step 4: Simplify right side
    514,328,419.04x = 198,295,770,109,129,888
  5. Step 5: Solve for x
    x = 198,295,770,109,129,888/514,328,419.04
  6. Step 6: Final answer
    x = 385,543,094.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.