Home / 528,534,795.60-792,802,193.40-145,582,347.60

Finding the Fourth Proportional to 528,534,795.60, 792,802,193.40 and 145,582,347.60

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Solution

The fourth proportional to 528,534,795.60, 792,802,193.40 and 145,582,347.60 is: 218,373,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,534,795.60 : 792,802,193.40 = 145,582,347.60 : x
  2. Step 2: Convert to fraction form
    528,534,795.60/792,802,193.40 = 145,582,347.60/x
  3. Step 3: Cross multiply
    528,534,795.60x = 792,802,193.40 × 145,582,347.60
  4. Step 4: Simplify right side
    528,534,795.60x = 115,418,004,497,601,216
  5. Step 5: Solve for x
    x = 115,418,004,497,601,216/528,534,795.60
  6. Step 6: Final answer
    x = 218,373,521.40

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1.5x scale

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.