Home / 1,889,916,867.48-2,835,011,518.79-725,385,360.36

Finding the Fourth Proportional to 1,889,916,867.48, 2,835,011,518.79 and 725,385,360.36

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Solution

The fourth proportional to 1,889,916,867.48, 2,835,011,518.79 and 725,385,360.36 is: 1,088,130,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,916,867.48 : 2,835,011,518.79 = 725,385,360.36 : x
  2. Step 2: Convert to fraction form
    1,889,916,867.48/2,835,011,518.79 = 725,385,360.36/x
  3. Step 3: Cross multiply
    1,889,916,867.48x = 2,835,011,518.79 × 725,385,360.36
  4. Step 4: Simplify right side
    1,889,916,867.48x = 2,056,475,852,178,608,128
  5. Step 5: Solve for x
    x = 2,056,475,852,178,608,128/1,889,916,867.48
  6. Step 6: Final answer
    x = 1,088,130,323.38

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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.