Home / 523,297,307.52-722,117,746.20-288,334,819.26

Finding the Fourth Proportional to 523,297,307.52, 722,117,746.20 and 288,334,819.26

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Solution

The fourth proportional to 523,297,307.52, 722,117,746.20 and 288,334,819.26 is: 397,884,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,297,307.52 : 722,117,746.20 = 288,334,819.26 : x
  2. Step 2: Convert to fraction form
    523,297,307.52/722,117,746.20 = 288,334,819.26/x
  3. Step 3: Cross multiply
    523,297,307.52x = 722,117,746.20 × 288,334,819.26
  4. Step 4: Simplify right side
    523,297,307.52x = 208,211,689,835,015,552
  5. Step 5: Solve for x
    x = 208,211,689,835,015,552/523,297,307.52
  6. Step 6: Final answer
    x = 397,884,122.17

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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.