Home / 528,535,580.10-792,803,370.15-145,583,132.10

Finding the Fourth Proportional to 528,535,580.10, 792,803,370.15 and 145,583,132.10

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Solution

The fourth proportional to 528,535,580.10, 792,803,370.15 and 145,583,132.10 is: 218,374,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,535,580.10 : 792,803,370.15 = 145,583,132.10 : x
  2. Step 2: Convert to fraction form
    528,535,580.10/792,803,370.15 = 145,583,132.10/x
  3. Step 3: Cross multiply
    528,535,580.10x = 792,803,370.15 × 145,583,132.10
  4. Step 4: Simplify right side
    528,535,580.10x = 115,418,797,765,872,640
  5. Step 5: Solve for x
    x = 115,418,797,765,872,640/528,535,580.10
  6. Step 6: Final answer
    x = 218,374,698.15

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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.