Home / 903,982,819.47-1,355,979,017.73-282,145,975.07

Finding the Fourth Proportional to 903,982,819.47, 1,355,979,017.73 and 282,145,975.07

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Solution

The fourth proportional to 903,982,819.47, 1,355,979,017.73 and 282,145,975.07 is: 423,220,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,982,819.47 : 1,355,979,017.73 = 282,145,975.07 : x
  2. Step 2: Convert to fraction form
    903,982,819.47/1,355,979,017.73 = 282,145,975.07/x
  3. Step 3: Cross multiply
    903,982,819.47x = 1,355,979,017.73 × 282,145,975.07
  4. Step 4: Simplify right side
    903,982,819.47x = 382,584,022,127,596,032
  5. Step 5: Solve for x
    x = 382,584,022,127,596,032/903,982,819.47
  6. Step 6: Final answer
    x = 423,220,457.17

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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.