Home / 1,959,865,240.80-2,940,371,812.32-579,716,501.76

Finding the Fourth Proportional to 1,959,865,240.80, 2,940,371,812.32 and 579,716,501.76

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Solution

The fourth proportional to 1,959,865,240.80, 2,940,371,812.32 and 579,716,501.76 is: 869,744,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,865,240.80 : 2,940,371,812.32 = 579,716,501.76 : x
  2. Step 2: Convert to fraction form
    1,959,865,240.80/2,940,371,812.32 = 579,716,501.76/x
  3. Step 3: Cross multiply
    1,959,865,240.80x = 2,940,371,812.32 × 579,716,501.76
  4. Step 4: Simplify right side
    1,959,865,240.80x = 1,704,582,060,911,861,760
  5. Step 5: Solve for x
    x = 1,704,582,060,911,861,760/1,959,865,240.80
  6. Step 6: Final answer
    x = 869,744,523.97

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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.