Home / 818,742,029.20-1,228,113,043.80-730,310,246.80

Finding the Fourth Proportional to 818,742,029.20, 1,228,113,043.80 and 730,310,246.80

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Solution

The fourth proportional to 818,742,029.20, 1,228,113,043.80 and 730,310,246.80 is: 1,095,465,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,742,029.20 : 1,228,113,043.80 = 730,310,246.80 : x
  2. Step 2: Convert to fraction form
    818,742,029.20/1,228,113,043.80 = 730,310,246.80/x
  3. Step 3: Cross multiply
    818,742,029.20x = 1,228,113,043.80 × 730,310,246.80
  4. Step 4: Simplify right side
    818,742,029.20x = 896,903,540,115,877,120
  5. Step 5: Solve for x
    x = 896,903,540,115,877,120/818,742,029.20
  6. Step 6: Final answer
    x = 1,095,465,370.20

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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.