Home / 1,889,571,006.30-2,834,356,509.45-1,272,816,011.10

Finding the Fourth Proportional to 1,889,571,006.30, 2,834,356,509.45 and 1,272,816,011.10

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Solution

The fourth proportional to 1,889,571,006.30, 2,834,356,509.45 and 1,272,816,011.10 is: 1,909,224,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,571,006.30 : 2,834,356,509.45 = 1,272,816,011.10 : x
  2. Step 2: Convert to fraction form
    1,889,571,006.30/2,834,356,509.45 = 1,272,816,011.10/x
  3. Step 3: Cross multiply
    1,889,571,006.30x = 2,834,356,509.45 × 1,272,816,011.10
  4. Step 4: Simplify right side
    1,889,571,006.30x = 3,607,614,346,393,467,904
  5. Step 5: Solve for x
    x = 3,607,614,346,393,467,904/1,889,571,006.30
  6. Step 6: Final answer
    x = 1,909,224,016.65

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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.