Home / 1,369,442,969.52-1,889,671,865.30-766,646,600.85

Finding the Fourth Proportional to 1,369,442,969.52, 1,889,671,865.30 and 766,646,600.85

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Solution

The fourth proportional to 1,369,442,969.52, 1,889,671,865.30 and 766,646,600.85 is: 1,057,883,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,442,969.52 : 1,889,671,865.30 = 766,646,600.85 : x
  2. Step 2: Convert to fraction form
    1,369,442,969.52/1,889,671,865.30 = 766,646,600.85/x
  3. Step 3: Cross multiply
    1,369,442,969.52x = 1,889,671,865.30 × 766,646,600.85
  4. Step 4: Simplify right side
    1,369,442,969.52x = 1,448,710,512,254,124,032
  5. Step 5: Solve for x
    x = 1,448,710,512,254,124,032/1,369,442,969.52
  6. Step 6: Final answer
    x = 1,057,883,055.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.