Home / 1,042,216,309.73-1,563,374,743.90-342,692,958.62

Finding the Fourth Proportional to 1,042,216,309.73, 1,563,374,743.90 and 342,692,958.62

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Solution

The fourth proportional to 1,042,216,309.73, 1,563,374,743.90 and 342,692,958.62 is: 514,055,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,216,309.73 : 1,563,374,743.90 = 342,692,958.62 : x
  2. Step 2: Convert to fraction form
    1,042,216,309.73/1,563,374,743.90 = 342,692,958.62/x
  3. Step 3: Cross multiply
    1,042,216,309.73x = 1,563,374,743.90 × 342,692,958.62
  4. Step 4: Simplify right side
    1,042,216,309.73x = 535,757,516,421,927,488
  5. Step 5: Solve for x
    x = 535,757,516,421,927,488/1,042,216,309.73
  6. Step 6: Final answer
    x = 514,055,970.36

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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.