Home / 299,280,739.80-448,921,109.70-176,836,733.40

Finding the Fourth Proportional to 299,280,739.80, 448,921,109.70 and 176,836,733.40

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Solution

The fourth proportional to 299,280,739.80, 448,921,109.70 and 176,836,733.40 is: 265,255,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,280,739.80 : 448,921,109.70 = 176,836,733.40 : x
  2. Step 2: Convert to fraction form
    299,280,739.80/448,921,109.70 = 176,836,733.40/x
  3. Step 3: Cross multiply
    299,280,739.80x = 448,921,109.70 × 176,836,733.40
  4. Step 4: Simplify right side
    299,280,739.80x = 79,385,742,593,651,056
  5. Step 5: Solve for x
    x = 79,385,742,593,651,056/299,280,739.80
  6. Step 6: Final answer
    x = 265,255,100.10

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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.