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Finding the Fourth Proportional to 897,294,249.60, 1,345,941,374.40 and 774,138,998.40

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Solution

The fourth proportional to 897,294,249.60, 1,345,941,374.40 and 774,138,998.40 is: 1,161,208,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,294,249.60 : 1,345,941,374.40 = 774,138,998.40 : x
  2. Step 2: Convert to fraction form
    897,294,249.60/1,345,941,374.40 = 774,138,998.40/x
  3. Step 3: Cross multiply
    897,294,249.60x = 1,345,941,374.40 × 774,138,998.40
  4. Step 4: Simplify right side
    897,294,249.60x = 1,041,945,707,483,135,488
  5. Step 5: Solve for x
    x = 1,041,945,707,483,135,488/897,294,249.60
  6. Step 6: Final answer
    x = 1,161,208,497.60

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1.5x scale

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.