Home / 1,335,528,079.60-2,003,292,119.40-1,187,574,905.20

Finding the Fourth Proportional to 1,335,528,079.60, 2,003,292,119.40 and 1,187,574,905.20

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Solution

The fourth proportional to 1,335,528,079.60, 2,003,292,119.40 and 1,187,574,905.20 is: 1,781,362,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,528,079.60 : 2,003,292,119.40 = 1,187,574,905.20 : x
  2. Step 2: Convert to fraction form
    1,335,528,079.60/2,003,292,119.40 = 1,187,574,905.20/x
  3. Step 3: Cross multiply
    1,335,528,079.60x = 2,003,292,119.40 × 1,187,574,905.20
  4. Step 4: Simplify right side
    1,335,528,079.60x = 2,379,059,448,784,362,496
  5. Step 5: Solve for x
    x = 2,379,059,448,784,362,496/1,335,528,079.60
  6. Step 6: Final answer
    x = 1,781,362,357.80

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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.