Home / 510,275,880.93-765,710,888.64-215,152,494.20

Finding the Fourth Proportional to 510,275,880.93, 765,710,888.64 and 215,152,494.20

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Solution

The fourth proportional to 510,275,880.93, 765,710,888.64 and 215,152,494.20 is: 322,853,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,275,880.93 : 765,710,888.64 = 215,152,494.20 : x
  2. Step 2: Convert to fraction form
    510,275,880.93/765,710,888.64 = 215,152,494.20/x
  3. Step 3: Cross multiply
    510,275,880.93x = 765,710,888.64 × 215,152,494.20
  4. Step 4: Simplify right side
    510,275,880.93x = 164,744,607,523,165,888
  5. Step 5: Solve for x
    x = 164,744,607,523,165,888/510,275,880.93
  6. Step 6: Final answer
    x = 322,853,996.59

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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.