Home / 1,947,106,129.61-2,687,008,820.81-1,055,032,166.16

Finding the Fourth Proportional to 1,947,106,129.61, 2,687,008,820.81 and 1,055,032,166.16

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Solution

The fourth proportional to 1,947,106,129.61, 2,687,008,820.81 and 1,055,032,166.16 is: 1,455,945,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,106,129.61 : 2,687,008,820.81 = 1,055,032,166.16 : x
  2. Step 2: Convert to fraction form
    1,947,106,129.61/2,687,008,820.81 = 1,055,032,166.16/x
  3. Step 3: Cross multiply
    1,947,106,129.61x = 2,687,008,820.81 × 1,055,032,166.16
  4. Step 4: Simplify right side
    1,947,106,129.61x = 2,834,880,736,704,926,208
  5. Step 5: Solve for x
    x = 2,834,880,736,704,926,208/1,947,106,129.61
  6. Step 6: Final answer
    x = 1,455,945,669.11

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Double scale
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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.