Home / 1,003,706,640.90-1,504,975,376.25-389,573,421.30

Finding the Fourth Proportional to 1,003,706,640.90, 1,504,975,376.25 and 389,573,421.30

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Solution

The fourth proportional to 1,003,706,640.90, 1,504,975,376.25 and 389,573,421.30 is: 584,133,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,706,640.90 : 1,504,975,376.25 = 389,573,421.30 : x
  2. Step 2: Convert to fraction form
    1,003,706,640.90/1,504,975,376.25 = 389,573,421.30/x
  3. Step 3: Cross multiply
    1,003,706,640.90x = 1,504,975,376.25 × 389,573,421.30
  4. Step 4: Simplify right side
    1,003,706,640.90x = 586,298,406,297,967,232
  5. Step 5: Solve for x
    x = 586,298,406,297,967,232/1,003,706,640.90
  6. Step 6: Final answer
    x = 584,133,234.16

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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.