Home / 756,002,159.40-1,133,107,443.90-319,301,999.40

Finding the Fourth Proportional to 756,002,159.40, 1,133,107,443.90 and 319,301,999.40

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Solution

The fourth proportional to 756,002,159.40, 1,133,107,443.90 and 319,301,999.40 is: 478,574,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,002,159.40 : 1,133,107,443.90 = 319,301,999.40 : x
  2. Step 2: Convert to fraction form
    756,002,159.40/1,133,107,443.90 = 319,301,999.40/x
  3. Step 3: Cross multiply
    756,002,159.40x = 1,133,107,443.90 × 319,301,999.40
  4. Step 4: Simplify right side
    756,002,159.40x = 361,803,472,372,293,312
  5. Step 5: Solve for x
    x = 361,803,472,372,293,312/756,002,159.40
  6. Step 6: Final answer
    x = 478,574,654.68

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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.