Home / 929,681,879.36-1,282,945,490.88-512,033,026.28

Finding the Fourth Proportional to 929,681,879.36, 1,282,945,490.88 and 512,033,026.28

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Solution

The fourth proportional to 929,681,879.36, 1,282,945,490.88 and 512,033,026.28 is: 706,597,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,681,879.36 : 1,282,945,490.88 = 512,033,026.28 : x
  2. Step 2: Convert to fraction form
    929,681,879.36/1,282,945,490.88 = 512,033,026.28/x
  3. Step 3: Cross multiply
    929,681,879.36x = 1,282,945,490.88 × 512,033,026.28
  4. Step 4: Simplify right side
    929,681,879.36x = 656,910,462,247,566,592
  5. Step 5: Solve for x
    x = 656,910,462,247,566,592/929,681,879.36
  6. Step 6: Final answer
    x = 706,597,038.01

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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.