Home / 1,868,668,801.20-2,803,003,201.80-488,622,812.40

Finding the Fourth Proportional to 1,868,668,801.20, 2,803,003,201.80 and 488,622,812.40

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Solution

The fourth proportional to 1,868,668,801.20, 2,803,003,201.80 and 488,622,812.40 is: 732,934,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,668,801.20 : 2,803,003,201.80 = 488,622,812.40 : x
  2. Step 2: Convert to fraction form
    1,868,668,801.20/2,803,003,201.80 = 488,622,812.40/x
  3. Step 3: Cross multiply
    1,868,668,801.20x = 2,803,003,201.80 × 488,622,812.40
  4. Step 4: Simplify right side
    1,868,668,801.20x = 1,369,611,307,629,720,832
  5. Step 5: Solve for x
    x = 1,369,611,307,629,720,832/1,868,668,801.20
  6. Step 6: Final answer
    x = 732,934,218.60

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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.