Home / 1,317,543,364.58-1,818,209,707.97-745,314,191.97

Finding the Fourth Proportional to 1,317,543,364.58, 1,818,209,707.97 and 745,314,191.97

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Solution

The fourth proportional to 1,317,543,364.58, 1,818,209,707.97 and 745,314,191.97 is: 1,028,533,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,543,364.58 : 1,818,209,707.97 = 745,314,191.97 : x
  2. Step 2: Convert to fraction form
    1,317,543,364.58/1,818,209,707.97 = 745,314,191.97/x
  3. Step 3: Cross multiply
    1,317,543,364.58x = 1,818,209,707.97 × 745,314,191.97
  4. Step 4: Simplify right side
    1,317,543,364.58x = 1,355,137,499,327,670,272
  5. Step 5: Solve for x
    x = 1,355,137,499,327,670,272/1,317,543,364.58
  6. Step 6: Final answer
    x = 1,028,533,508.47

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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.