Home / 1,317,017,777.58-1,817,599,472.76-722,417,182.32

Finding the Fourth Proportional to 1,317,017,777.58, 1,817,599,472.76 and 722,417,182.32

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Solution

The fourth proportional to 1,317,017,777.58, 1,817,599,472.76 and 722,417,182.32 is: 996,998,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,017,777.58 : 1,817,599,472.76 = 722,417,182.32 : x
  2. Step 2: Convert to fraction form
    1,317,017,777.58/1,817,599,472.76 = 722,417,182.32/x
  3. Step 3: Cross multiply
    1,317,017,777.58x = 1,817,599,472.76 × 722,417,182.32
  4. Step 4: Simplify right side
    1,317,017,777.58x = 1,313,065,089,684,897,024
  5. Step 5: Solve for x
    x = 1,313,065,089,684,897,024/1,317,017,777.58
  6. Step 6: Final answer
    x = 996,998,758.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.