Home / 808,525,059.60-1,212,787,589.40-706,488,387.60

Finding the Fourth Proportional to 808,525,059.60, 1,212,787,589.40 and 706,488,387.60

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Solution

The fourth proportional to 808,525,059.60, 1,212,787,589.40 and 706,488,387.60 is: 1,059,732,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525,059.60 : 1,212,787,589.40 = 706,488,387.60 : x
  2. Step 2: Convert to fraction form
    808,525,059.60/1,212,787,589.40 = 706,488,387.60/x
  3. Step 3: Cross multiply
    808,525,059.60x = 1,212,787,589.40 × 706,488,387.60
  4. Step 4: Simplify right side
    808,525,059.60x = 856,820,348,536,496,896
  5. Step 5: Solve for x
    x = 856,820,348,536,496,896/808,525,059.60
  6. Step 6: Final answer
    x = 1,059,732,581.40

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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.