Home / 1,317,924,286.61-1,818,285,039.55-753,003,832.21

Finding the Fourth Proportional to 1,317,924,286.61, 1,818,285,039.55 and 753,003,832.21

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Solution

The fourth proportional to 1,317,924,286.61, 1,818,285,039.55 and 753,003,832.21 is: 1,038,887,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,924,286.61 : 1,818,285,039.55 = 753,003,832.21 : x
  2. Step 2: Convert to fraction form
    1,317,924,286.61/1,818,285,039.55 = 753,003,832.21/x
  3. Step 3: Cross multiply
    1,317,924,286.61x = 1,818,285,039.55 × 753,003,832.21
  4. Step 4: Simplify right side
    1,317,924,286.61x = 1,369,175,602,827,658,240
  5. Step 5: Solve for x
    x = 1,369,175,602,827,658,240/1,317,924,286.61
  6. Step 6: Final answer
    x = 1,038,887,906.34

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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.