Home / 700,453,739.46-966,628,108.65-382,917,822.36

Finding the Fourth Proportional to 700,453,739.46, 966,628,108.65 and 382,917,822.36

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Solution

The fourth proportional to 700,453,739.46, 966,628,108.65 and 382,917,822.36 is: 528,427,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,453,739.46 : 966,628,108.65 = 382,917,822.36 : x
  2. Step 2: Convert to fraction form
    700,453,739.46/966,628,108.65 = 382,917,822.36/x
  3. Step 3: Cross multiply
    700,453,739.46x = 966,628,108.65 × 382,917,822.36
  4. Step 4: Simplify right side
    700,453,739.46x = 370,139,130,394,034,560
  5. Step 5: Solve for x
    x = 370,139,130,394,034,560/700,453,739.46
  6. Step 6: Final answer
    x = 528,427,659.87

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1.5x scale

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.