Home / 842,167,623.58-1,162,113,327.47-465,816,111.19

Finding the Fourth Proportional to 842,167,623.58, 1,162,113,327.47 and 465,816,111.19

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Solution

The fourth proportional to 842,167,623.58, 1,162,113,327.47 and 465,816,111.19 is: 642,783,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,167,623.58 : 1,162,113,327.47 = 465,816,111.19 : x
  2. Step 2: Convert to fraction form
    842,167,623.58/1,162,113,327.47 = 465,816,111.19/x
  3. Step 3: Cross multiply
    842,167,623.58x = 1,162,113,327.47 × 465,816,111.19
  4. Step 4: Simplify right side
    842,167,623.58x = 541,331,110,964,146,432
  5. Step 5: Solve for x
    x = 541,331,110,964,146,432/842,167,623.58
  6. Step 6: Final answer
    x = 642,783,094.25

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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.