Home / 314,930,279.40-472,395,419.10-177,180,772.20

Finding the Fourth Proportional to 314,930,279.40, 472,395,419.10 and 177,180,772.20

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Solution

The fourth proportional to 314,930,279.40, 472,395,419.10 and 177,180,772.20 is: 265,771,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,279.40 : 472,395,419.10 = 177,180,772.20 : x
  2. Step 2: Convert to fraction form
    314,930,279.40/472,395,419.10 = 177,180,772.20/x
  3. Step 3: Cross multiply
    314,930,279.40x = 472,395,419.10 × 177,180,772.20
  4. Step 4: Simplify right side
    314,930,279.40x = 83,699,385,139,880,624
  5. Step 5: Solve for x
    x = 83,699,385,139,880,624/314,930,279.40
  6. Step 6: Final answer
    x = 265,771,158.30

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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.