Home / 1,947,947,457.22-2,688,095,472.73-1,055,855,029.64

Finding the Fourth Proportional to 1,947,947,457.22, 2,688,095,472.73 and 1,055,855,029.64

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Solution

The fourth proportional to 1,947,947,457.22, 2,688,095,472.73 and 1,055,855,029.64 is: 1,457,040,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,947,457.22 : 2,688,095,472.73 = 1,055,855,029.64 : x
  2. Step 2: Convert to fraction form
    1,947,947,457.22/2,688,095,472.73 = 1,055,855,029.64/x
  3. Step 3: Cross multiply
    1,947,947,457.22x = 2,688,095,472.73 × 1,055,855,029.64
  4. Step 4: Simplify right side
    1,947,947,457.22x = 2,838,239,125,018,403,840
  5. Step 5: Solve for x
    x = 2,838,239,125,018,403,840/1,947,947,457.22
  6. Step 6: Final answer
    x = 1,457,040,904.52

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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.