Home / 1,492,992,002.80-2,239,488,004.20-402,585,295.60

Finding the Fourth Proportional to 1,492,992,002.80, 2,239,488,004.20 and 402,585,295.60

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Solution

The fourth proportional to 1,492,992,002.80, 2,239,488,004.20 and 402,585,295.60 is: 603,877,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,002.80 : 2,239,488,004.20 = 402,585,295.60 : x
  2. Step 2: Convert to fraction form
    1,492,992,002.80/2,239,488,004.20 = 402,585,295.60/x
  3. Step 3: Cross multiply
    1,492,992,002.80x = 2,239,488,004.20 × 402,585,295.60
  4. Step 4: Simplify right side
    1,492,992,002.80x = 901,584,940,163,511,040
  5. Step 5: Solve for x
    x = 901,584,940,163,511,040/1,492,992,002.80
  6. Step 6: Final answer
    x = 603,877,943.40

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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.