Home / 482,355,008.40-723,532,512.60-298,688,998.80

Finding the Fourth Proportional to 482,355,008.40, 723,532,512.60 and 298,688,998.80

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Solution

The fourth proportional to 482,355,008.40, 723,532,512.60 and 298,688,998.80 is: 448,033,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,355,008.40 : 723,532,512.60 = 298,688,998.80 : x
  2. Step 2: Convert to fraction form
    482,355,008.40/723,532,512.60 = 298,688,998.80/x
  3. Step 3: Cross multiply
    482,355,008.40x = 723,532,512.60 × 298,688,998.80
  4. Step 4: Simplify right side
    482,355,008.40x = 216,111,201,787,742,400
  5. Step 5: Solve for x
    x = 216,111,201,787,742,400/482,355,008.40
  6. Step 6: Final answer
    x = 448,033,498.20

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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.