Home / 484,575,128.40-726,862,692.60-436,202,187.60

Finding the Fourth Proportional to 484,575,128.40, 726,862,692.60 and 436,202,187.60

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Solution

The fourth proportional to 484,575,128.40, 726,862,692.60 and 436,202,187.60 is: 654,303,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,575,128.40 : 726,862,692.60 = 436,202,187.60 : x
  2. Step 2: Convert to fraction form
    484,575,128.40/726,862,692.60 = 436,202,187.60/x
  3. Step 3: Cross multiply
    484,575,128.40x = 726,862,692.60 × 436,202,187.60
  4. Step 4: Simplify right side
    484,575,128.40x = 317,059,096,596,946,368
  5. Step 5: Solve for x
    x = 317,059,096,596,946,368/484,575,128.40
  6. Step 6: Final answer
    x = 654,303,281.40

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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.