Home / 912,388,925.80-1,365,896,003.10-859,238,410.60

Finding the Fourth Proportional to 912,388,925.80, 1,365,896,003.10 and 859,238,410.60

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Solution

The fourth proportional to 912,388,925.80, 1,365,896,003.10 and 859,238,410.60 is: 1,286,326,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,388,925.80 : 1,365,896,003.10 = 859,238,410.60 : x
  2. Step 2: Convert to fraction form
    912,388,925.80/1,365,896,003.10 = 859,238,410.60/x
  3. Step 3: Cross multiply
    912,388,925.80x = 1,365,896,003.10 × 859,238,410.60
  4. Step 4: Simplify right side
    912,388,925.80x = 1,173,630,310,748,536,576
  5. Step 5: Solve for x
    x = 1,173,630,310,748,536,576/912,388,925.80
  6. Step 6: Final answer
    x = 1,286,326,781.88

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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.