Home / 913,839,670,044.31-1,261,081,779,156.20-502,299,350,931.42

Finding the Fourth Proportional to 913,839,670,044.31, 1,261,081,779,156.20 and 502,299,350,931.42

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Solution

The fourth proportional to 913,839,670,044.31, 1,261,081,779,156.20 and 502,299,350,931.42 is: 693,163,779,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,839,670,044.31 : 1,261,081,779,156.20 = 502,299,350,931.42 : x
  2. Step 2: Convert to fraction form
    913,839,670,044.31/1,261,081,779,156.20 = 502,299,350,931.42/x
  3. Step 3: Cross multiply
    913,839,670,044.31x = 1,261,081,779,156.20 × 502,299,350,931.42
  4. Step 4: Simplify right side
    913,839,670,044.31x = 633,440,559,141,599,519,440,896
  5. Step 5: Solve for x
    x = 633,440,559,141,599,519,440,896/913,839,670,044.31
  6. Step 6: Final answer
    x = 693,163,779,058.62

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Double scale
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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.