Home / 12,728,972,563,651-17,569,250,461,157-8,290,473,918,032.40

Finding the Fourth Proportional to 12,728,972,563,651, 17,569,250,461,157 and 8,290,473,918,032.40

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Solution

The fourth proportional to 12,728,972,563,651, 17,569,250,461,157 and 8,290,473,918,032.40 is: 11,442,982,690,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,972,563,651 : 17,569,250,461,157 = 8,290,473,918,032.40 : x
  2. Step 2: Convert to fraction form
    12,728,972,563,651/17,569,250,461,157 = 8,290,473,918,032.40/x
  3. Step 3: Cross multiply
    12,728,972,563,651x = 17,569,250,461,157 × 8,290,473,918,032.40
  4. Step 4: Simplify right side
    12,728,972,563,651x = 145,657,412,707,600,835,880,681,472
  5. Step 5: Solve for x
    x = 145,657,412,707,600,835,880,681,472/12,728,972,563,651
  6. Step 6: Final answer
    x = 11,442,982,690,020.23

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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.