Home / 811,487,945.90-1,119,878,357.82-459,056,868.14

Finding the Fourth Proportional to 811,487,945.90, 1,119,878,357.82 and 459,056,868.14

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Solution

The fourth proportional to 811,487,945.90, 1,119,878,357.82 and 459,056,868.14 is: 633,512,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,487,945.90 : 1,119,878,357.82 = 459,056,868.14 : x
  2. Step 2: Convert to fraction form
    811,487,945.90/1,119,878,357.82 = 459,056,868.14/x
  3. Step 3: Cross multiply
    811,487,945.90x = 1,119,878,357.82 × 459,056,868.14
  4. Step 4: Simplify right side
    811,487,945.90x = 514,087,851,638,615,424
  5. Step 5: Solve for x
    x = 514,087,851,638,615,424/811,487,945.90
  6. Step 6: Final answer
    x = 633,512,616.22

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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.