Home / 437,453,315.60-656,179,973.40-430,650,870.80

Finding the Fourth Proportional to 437,453,315.60, 656,179,973.40 and 430,650,870.80

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Solution

The fourth proportional to 437,453,315.60, 656,179,973.40 and 430,650,870.80 is: 645,976,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,453,315.60 : 656,179,973.40 = 430,650,870.80 : x
  2. Step 2: Convert to fraction form
    437,453,315.60/656,179,973.40 = 430,650,870.80/x
  3. Step 3: Cross multiply
    437,453,315.60x = 656,179,973.40 × 430,650,870.80
  4. Step 4: Simplify right side
    437,453,315.60x = 282,584,476,946,230,848
  5. Step 5: Solve for x
    x = 282,584,476,946,230,848/437,453,315.60
  6. Step 6: Final answer
    x = 645,976,306.20

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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.