Home / 528,535,004.10-792,802,506.15-145,582,556.10

Finding the Fourth Proportional to 528,535,004.10, 792,802,506.15 and 145,582,556.10

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Solution

The fourth proportional to 528,535,004.10, 792,802,506.15 and 145,582,556.10 is: 218,373,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,535,004.10 : 792,802,506.15 = 145,582,556.10 : x
  2. Step 2: Convert to fraction form
    528,535,004.10/792,802,506.15 = 145,582,556.10/x
  3. Step 3: Cross multiply
    528,535,004.10x = 792,802,506.15 × 145,582,556.10
  4. Step 4: Simplify right side
    528,535,004.10x = 115,418,215,327,802,960
  5. Step 5: Solve for x
    x = 115,418,215,327,802,960/528,535,004.10
  6. Step 6: Final answer
    x = 218,373,834.15

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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.