Home / 402,411,046.20-603,616,569.30-351,392,710.20

Finding the Fourth Proportional to 402,411,046.20, 603,616,569.30 and 351,392,710.20

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Solution

The fourth proportional to 402,411,046.20, 603,616,569.30 and 351,392,710.20 is: 527,089,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,411,046.20 : 603,616,569.30 = 351,392,710.20 : x
  2. Step 2: Convert to fraction form
    402,411,046.20/603,616,569.30 = 351,392,710.20/x
  3. Step 3: Cross multiply
    402,411,046.20x = 603,616,569.30 × 351,392,710.20
  4. Step 4: Simplify right side
    402,411,046.20x = 212,106,462,207,953,088
  5. Step 5: Solve for x
    x = 212,106,462,207,953,088/402,411,046.20
  6. Step 6: Final answer
    x = 527,089,065.30

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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.