Home / 10,961,990,960.36-15,127,558,721.03-5,949,739,417.28

Finding the Fourth Proportional to 10,961,990,960.36, 15,127,558,721.03 and 5,949,739,417.28

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Solution

The fourth proportional to 10,961,990,960.36, 15,127,558,721.03 and 5,949,739,417.28 is: 8,210,646,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,990,960.36 : 15,127,558,721.03 = 5,949,739,417.28 : x
  2. Step 2: Convert to fraction form
    10,961,990,960.36/15,127,558,721.03 = 5,949,739,417.28/x
  3. Step 3: Cross multiply
    10,961,990,960.36x = 15,127,558,721.03 × 5,949,739,417.28
  4. Step 4: Simplify right side
    10,961,990,960.36x = 90,005,032,409,666,273,280
  5. Step 5: Solve for x
    x = 90,005,032,409,666,273,280/10,961,990,960.36
  6. Step 6: Final answer
    x = 8,210,646,472.45

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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.