Home / 1,947,947,484.96-2,688,095,510.68-1,055,855,057.45

Finding the Fourth Proportional to 1,947,947,484.96, 2,688,095,510.68 and 1,055,855,057.45

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Solution

The fourth proportional to 1,947,947,484.96, 2,688,095,510.68 and 1,055,855,057.45 is: 1,457,040,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,947,484.96 : 2,688,095,510.68 = 1,055,855,057.45 : x
  2. Step 2: Convert to fraction form
    1,947,947,484.96/2,688,095,510.68 = 1,055,855,057.45/x
  3. Step 3: Cross multiply
    1,947,947,484.96x = 2,688,095,510.68 × 1,055,855,057.45
  4. Step 4: Simplify right side
    1,947,947,484.96x = 2,838,239,239,853,677,056
  5. Step 5: Solve for x
    x = 2,838,239,239,853,677,056/1,947,947,484.96
  6. Step 6: Final answer
    x = 1,457,040,942.72

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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.