Home / 1,783,299,564.15-2,460,885,978.13-990,396,619.17

Finding the Fourth Proportional to 1,783,299,564.15, 2,460,885,978.13 and 990,396,619.17

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Solution

The fourth proportional to 1,783,299,564.15, 2,460,885,978.13 and 990,396,619.17 is: 1,366,709,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,299,564.15 : 2,460,885,978.13 = 990,396,619.17 : x
  2. Step 2: Convert to fraction form
    1,783,299,564.15/2,460,885,978.13 = 990,396,619.17/x
  3. Step 3: Cross multiply
    1,783,299,564.15x = 2,460,885,978.13 × 990,396,619.17
  4. Step 4: Simplify right side
    1,783,299,564.15x = 2,437,253,152,902,810,624
  5. Step 5: Solve for x
    x = 2,437,253,152,902,810,624/1,783,299,564.15
  6. Step 6: Final answer
    x = 1,366,709,890.98

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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.