Home / 808,525,077.10-1,212,787,615.65-706,488,405.10

Finding the Fourth Proportional to 808,525,077.10, 1,212,787,615.65 and 706,488,405.10

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Solution

The fourth proportional to 808,525,077.10, 1,212,787,615.65 and 706,488,405.10 is: 1,059,732,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525,077.10 : 1,212,787,615.65 = 706,488,405.10 : x
  2. Step 2: Convert to fraction form
    808,525,077.10/1,212,787,615.65 = 706,488,405.10/x
  3. Step 3: Cross multiply
    808,525,077.10x = 1,212,787,615.65 × 706,488,405.10
  4. Step 4: Simplify right side
    808,525,077.10x = 856,820,388,305,600,384
  5. Step 5: Solve for x
    x = 856,820,388,305,600,384/808,525,077.10
  6. Step 6: Final answer
    x = 1,059,732,607.65

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1.5x scale

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.