Home / 402,411,047.20-603,616,570.80-351,392,711.20

Finding the Fourth Proportional to 402,411,047.20, 603,616,570.80 and 351,392,711.20

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Solution

The fourth proportional to 402,411,047.20, 603,616,570.80 and 351,392,711.20 is: 527,089,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,411,047.20 : 603,616,570.80 = 351,392,711.20 : x
  2. Step 2: Convert to fraction form
    402,411,047.20/603,616,570.80 = 351,392,711.20/x
  3. Step 3: Cross multiply
    402,411,047.20x = 603,616,570.80 × 351,392,711.20
  4. Step 4: Simplify right side
    402,411,047.20x = 212,106,463,338,658,720
  5. Step 5: Solve for x
    x = 212,106,463,338,658,720/402,411,047.20
  6. Step 6: Final answer
    x = 527,089,066.80

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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.