Home / 528,534,905.10-792,802,357.65-145,582,457.10

Finding the Fourth Proportional to 528,534,905.10, 792,802,357.65 and 145,582,457.10

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Solution

The fourth proportional to 528,534,905.10, 792,802,357.65 and 145,582,457.10 is: 218,373,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,534,905.10 : 792,802,357.65 = 145,582,457.10 : x
  2. Step 2: Convert to fraction form
    528,534,905.10/792,802,357.65 = 145,582,457.10/x
  3. Step 3: Cross multiply
    528,534,905.10x = 792,802,357.65 × 145,582,457.10
  4. Step 4: Simplify right side
    528,534,905.10x = 115,418,115,221,359,968
  5. Step 5: Solve for x
    x = 115,418,115,221,359,968/528,534,905.10
  6. Step 6: Final answer
    x = 218,373,685.65

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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.