Home / 1,042,216,308.23-1,563,374,741.64-342,692,957.12

Finding the Fourth Proportional to 1,042,216,308.23, 1,563,374,741.64 and 342,692,957.12

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Solution

The fourth proportional to 1,042,216,308.23, 1,563,374,741.64 and 342,692,957.12 is: 514,055,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,216,308.23 : 1,563,374,741.64 = 342,692,957.12 : x
  2. Step 2: Convert to fraction form
    1,042,216,308.23/1,563,374,741.64 = 342,692,957.12/x
  3. Step 3: Cross multiply
    1,042,216,308.23x = 1,563,374,741.64 × 342,692,957.12
  4. Step 4: Simplify right side
    1,042,216,308.23x = 535,757,513,303,236,096
  5. Step 5: Solve for x
    x = 535,757,513,303,236,096/1,042,216,308.23
  6. Step 6: Final answer
    x = 514,055,968.10

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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.