Home / 347,309,283.20-520,208,097.60-210,756,502.40

Finding the Fourth Proportional to 347,309,283.20, 520,208,097.60 and 210,756,502.40

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Solution

The fourth proportional to 347,309,283.20, 520,208,097.60 and 210,756,502.40 is: 315,676,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,309,283.20 : 520,208,097.60 = 210,756,502.40 : x
  2. Step 2: Convert to fraction form
    347,309,283.20/520,208,097.60 = 210,756,502.40/x
  3. Step 3: Cross multiply
    347,309,283.20x = 520,208,097.60 × 210,756,502.40
  4. Step 4: Simplify right side
    347,309,283.20x = 109,637,239,170,333,840
  5. Step 5: Solve for x
    x = 109,637,239,170,333,840/347,309,283.20
  6. Step 6: Final answer
    x = 315,676,097.57

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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.