Home / 557,965,090.71-770,098,426.80-369,460,900.89

Finding the Fourth Proportional to 557,965,090.71, 770,098,426.80 and 369,460,900.89

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Solution

The fourth proportional to 557,965,090.71, 770,098,426.80 and 369,460,900.89 is: 509,926,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,965,090.71 : 770,098,426.80 = 369,460,900.89 : x
  2. Step 2: Convert to fraction form
    557,965,090.71/770,098,426.80 = 369,460,900.89/x
  3. Step 3: Cross multiply
    557,965,090.71x = 770,098,426.80 × 369,460,900.89
  4. Step 4: Simplify right side
    557,965,090.71x = 284,521,258,539,499,680
  5. Step 5: Solve for x
    x = 284,521,258,539,499,680/557,965,090.71
  6. Step 6: Final answer
    x = 509,926,630.32

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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.