Home / 1,426,846,538.40-2,140,269,807.60-1,209,168,304.80

Finding the Fourth Proportional to 1,426,846,538.40, 2,140,269,807.60 and 1,209,168,304.80

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Solution

The fourth proportional to 1,426,846,538.40, 2,140,269,807.60 and 1,209,168,304.80 is: 1,813,752,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,846,538.40 : 2,140,269,807.60 = 1,209,168,304.80 : x
  2. Step 2: Convert to fraction form
    1,426,846,538.40/2,140,269,807.60 = 1,209,168,304.80/x
  3. Step 3: Cross multiply
    1,426,846,538.40x = 2,140,269,807.60 × 1,209,168,304.80
  4. Step 4: Simplify right side
    1,426,846,538.40x = 2,587,946,415,070,313,984
  5. Step 5: Solve for x
    x = 2,587,946,415,070,313,984/1,426,846,538.40
  6. Step 6: Final answer
    x = 1,813,752,457.20

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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.