Home / 1,792,181,492.40-2,688,272,238.60-1,429,384,436.40

Finding the Fourth Proportional to 1,792,181,492.40, 2,688,272,238.60 and 1,429,384,436.40

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Solution

The fourth proportional to 1,792,181,492.40, 2,688,272,238.60 and 1,429,384,436.40 is: 2,144,076,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,181,492.40 : 2,688,272,238.60 = 1,429,384,436.40 : x
  2. Step 2: Convert to fraction form
    1,792,181,492.40/2,688,272,238.60 = 1,429,384,436.40/x
  3. Step 3: Cross multiply
    1,792,181,492.40x = 2,688,272,238.60 × 1,429,384,436.40
  4. Step 4: Simplify right side
    1,792,181,492.40x = 3,842,574,498,661,027,328
  5. Step 5: Solve for x
    x = 3,842,574,498,661,027,328/1,792,181,492.40
  6. Step 6: Final answer
    x = 2,144,076,654.60

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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.