Home / 1,270,849,721.67-1,905,182,668.08-441,695,648.43

Finding the Fourth Proportional to 1,270,849,721.67, 1,905,182,668.08 and 441,695,648.43

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Solution

The fourth proportional to 1,270,849,721.67, 1,905,182,668.08 and 441,695,648.43 is: 662,163,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,849,721.67 : 1,905,182,668.08 = 441,695,648.43 : x
  2. Step 2: Convert to fraction form
    1,270,849,721.67/1,905,182,668.08 = 441,695,648.43/x
  3. Step 3: Cross multiply
    1,270,849,721.67x = 1,905,182,668.08 × 441,695,648.43
  4. Step 4: Simplify right side
    1,270,849,721.67x = 841,510,893,955,193,088
  5. Step 5: Solve for x
    x = 841,510,893,955,193,088/1,270,849,721.67
  6. Step 6: Final answer
    x = 662,163,967.62

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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.