Home / 528,521,697.60-793,065,981.60-221,844,811.20

Finding the Fourth Proportional to 528,521,697.60, 793,065,981.60 and 221,844,811.20

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Solution

The fourth proportional to 528,521,697.60, 793,065,981.60 and 221,844,811.20 is: 332,886,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,521,697.60 : 793,065,981.60 = 221,844,811.20 : x
  2. Step 2: Convert to fraction form
    528,521,697.60/793,065,981.60 = 221,844,811.20/x
  3. Step 3: Cross multiply
    528,521,697.60x = 793,065,981.60 × 221,844,811.20
  4. Step 4: Simplify right side
    528,521,697.60x = 175,937,572,957,194,656
  5. Step 5: Solve for x
    x = 175,937,572,957,194,656/528,521,697.60
  6. Step 6: Final answer
    x = 332,886,187.56

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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.