Home / 521,835,937,737.08-720,122,306,915.32-302,113,895,690.36

Finding the Fourth Proportional to 521,835,937,737.08, 720,122,306,915.32 and 302,113,895,690.36

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Solution

The fourth proportional to 521,835,937,737.08, 720,122,306,915.32 and 302,113,895,690.36 is: 416,910,641,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,835,937,737.08 : 720,122,306,915.32 = 302,113,895,690.36 : x
  2. Step 2: Convert to fraction form
    521,835,937,737.08/720,122,306,915.32 = 302,113,895,690.36/x
  3. Step 3: Cross multiply
    521,835,937,737.08x = 720,122,306,915.32 × 302,113,895,690.36
  4. Step 4: Simplify right side
    521,835,937,737.08x = 217,558,955,515,716,384,587,776
  5. Step 5: Solve for x
    x = 217,558,955,515,716,384,587,776/521,835,937,737.08
  6. Step 6: Final answer
    x = 416,910,641,415.68

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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.