Home / 1,015,706,934,376.40-1,401,675,798,231.80-558,965,418,348.45

Finding the Fourth Proportional to 1,015,706,934,376.40, 1,401,675,798,231.80 and 558,965,418,348.45

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Solution

The fourth proportional to 1,015,706,934,376.40, 1,401,675,798,231.80 and 558,965,418,348.45 is: 771,372,403,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,706,934,376.40 : 1,401,675,798,231.80 = 558,965,418,348.45 : x
  2. Step 2: Convert to fraction form
    1,015,706,934,376.40/1,401,675,798,231.80 = 558,965,418,348.45/x
  3. Step 3: Cross multiply
    1,015,706,934,376.40x = 1,401,675,798,231.80 × 558,965,418,348.45
  4. Step 4: Simplify right side
    1,015,706,934,376.40x = 783,488,298,947,535,668,510,720
  5. Step 5: Solve for x
    x = 783,488,298,947,535,668,510,720/1,015,706,934,376.40
  6. Step 6: Final answer
    x = 771,372,403,230.23

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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.