Home / 1,790,221,440.57-2,470,581,777.92-997,266,460.11

Finding the Fourth Proportional to 1,790,221,440.57, 2,470,581,777.92 and 997,266,460.11

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Solution

The fourth proportional to 1,790,221,440.57, 2,470,581,777.92 and 997,266,460.11 is: 1,376,270,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,221,440.57 : 2,470,581,777.92 = 997,266,460.11 : x
  2. Step 2: Convert to fraction form
    1,790,221,440.57/2,470,581,777.92 = 997,266,460.11/x
  3. Step 3: Cross multiply
    1,790,221,440.57x = 2,470,581,777.92 × 997,266,460.11
  4. Step 4: Simplify right side
    1,790,221,440.57x = 2,463,828,344,073,562,112
  5. Step 5: Solve for x
    x = 2,463,828,344,073,562,112/1,790,221,440.57
  6. Step 6: Final answer
    x = 1,376,270,157.56

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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.