Home / 926,809,148.80-1,390,400,347.20-271,758,908.80

Finding the Fourth Proportional to 926,809,148.80, 1,390,400,347.20 and 271,758,908.80

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Solution

The fourth proportional to 926,809,148.80, 1,390,400,347.20 and 271,758,908.80 is: 407,693,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,809,148.80 : 1,390,400,347.20 = 271,758,908.80 : x
  2. Step 2: Convert to fraction form
    926,809,148.80/1,390,400,347.20 = 271,758,908.80/x
  3. Step 3: Cross multiply
    926,809,148.80x = 1,390,400,347.20 × 271,758,908.80
  4. Step 4: Simplify right side
    926,809,148.80x = 377,853,681,150,213,184
  5. Step 5: Solve for x
    x = 377,853,681,150,213,184/926,809,148.80
  6. Step 6: Final answer
    x = 407,693,085.08

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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.