Home / 838,461,092.81-1,157,029,091.21-462,116,540.24

Finding the Fourth Proportional to 838,461,092.81, 1,157,029,091.21 and 462,116,540.24

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Solution

The fourth proportional to 838,461,092.81, 1,157,029,091.21 and 462,116,540.24 is: 637,694,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,461,092.81 : 1,157,029,091.21 = 462,116,540.24 : x
  2. Step 2: Convert to fraction form
    838,461,092.81/1,157,029,091.21 = 462,116,540.24/x
  3. Step 3: Cross multiply
    838,461,092.81x = 1,157,029,091.21 × 462,116,540.24
  4. Step 4: Simplify right side
    838,461,092.81x = 534,682,280,578,900,864
  5. Step 5: Solve for x
    x = 534,682,280,578,900,864/838,461,092.81
  6. Step 6: Final answer
    x = 637,694,802.02

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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.