Home / 686,594,135.60-1,029,891,203.40-169,020,465.20

Finding the Fourth Proportional to 686,594,135.60, 1,029,891,203.40 and 169,020,465.20

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Solution

The fourth proportional to 686,594,135.60, 1,029,891,203.40 and 169,020,465.20 is: 253,530,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,594,135.60 : 1,029,891,203.40 = 169,020,465.20 : x
  2. Step 2: Convert to fraction form
    686,594,135.60/1,029,891,203.40 = 169,020,465.20/x
  3. Step 3: Cross multiply
    686,594,135.60x = 1,029,891,203.40 × 169,020,465.20
  4. Step 4: Simplify right side
    686,594,135.60x = 174,072,690,304,055,808
  5. Step 5: Solve for x
    x = 174,072,690,304,055,808/686,594,135.60
  6. Step 6: Final answer
    x = 253,530,697.80

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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.