Home / 931,438,539.40-1,397,157,809.10-792,945,014.80

Finding the Fourth Proportional to 931,438,539.40, 1,397,157,809.10 and 792,945,014.80

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Solution

The fourth proportional to 931,438,539.40, 1,397,157,809.10 and 792,945,014.80 is: 1,189,417,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,438,539.40 : 1,397,157,809.10 = 792,945,014.80 : x
  2. Step 2: Convert to fraction form
    931,438,539.40/1,397,157,809.10 = 792,945,014.80/x
  3. Step 3: Cross multiply
    931,438,539.40x = 1,397,157,809.10 × 792,945,014.80
  4. Step 4: Simplify right side
    931,438,539.40x = 1,107,869,319,614,734,976
  5. Step 5: Solve for x
    x = 1,107,869,319,614,734,976/931,438,539.40
  6. Step 6: Final answer
    x = 1,189,417,522.20

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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.