Home / 1,128,772,044.90-1,692,499,080.51-437,871,976.02

Finding the Fourth Proportional to 1,128,772,044.90, 1,692,499,080.51 and 437,871,976.02

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Solution

The fourth proportional to 1,128,772,044.90, 1,692,499,080.51 and 437,871,976.02 is: 656,552,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,772,044.90 : 1,692,499,080.51 = 437,871,976.02 : x
  2. Step 2: Convert to fraction form
    1,128,772,044.90/1,692,499,080.51 = 437,871,976.02/x
  3. Step 3: Cross multiply
    1,128,772,044.90x = 1,692,499,080.51 × 437,871,976.02
  4. Step 4: Simplify right side
    1,128,772,044.90x = 741,097,916,794,946,688
  5. Step 5: Solve for x
    x = 741,097,916,794,946,688/1,128,772,044.90
  6. Step 6: Final answer
    x = 656,552,330.60

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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.