Home / 900,653,679.45-1,242,261,344.66-826,553,526.75

Finding the Fourth Proportional to 900,653,679.45, 1,242,261,344.66 and 826,553,526.75

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Solution

The fourth proportional to 900,653,679.45, 1,242,261,344.66 and 826,553,526.75 is: 1,140,055,849.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,653,679.45 : 1,242,261,344.66 = 826,553,526.75 : x
  2. Step 2: Convert to fraction form
    900,653,679.45/1,242,261,344.66 = 826,553,526.75/x
  3. Step 3: Cross multiply
    900,653,679.45x = 1,242,261,344.66 × 826,553,526.75
  4. Step 4: Simplify right side
    900,653,679.45x = 1,026,795,495,567,709,056
  5. Step 5: Solve for x
    x = 1,026,795,495,567,709,056/900,653,679.45
  6. Step 6: Final answer
    x = 1,140,055,849.44

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1.5x scale

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.