Home / 13,606,007,561.04-18,776,290,278.24-7,347,758,345.04

Finding the Fourth Proportional to 13,606,007,561.04, 18,776,290,278.24 and 7,347,758,345.04

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Solution

The fourth proportional to 13,606,007,561.04, 18,776,290,278.24 and 7,347,758,345.04 is: 10,139,906,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,007,561.04 : 18,776,290,278.24 = 7,347,758,345.04 : x
  2. Step 2: Convert to fraction form
    13,606,007,561.04/18,776,290,278.24 = 7,347,758,345.04/x
  3. Step 3: Cross multiply
    13,606,007,561.04x = 18,776,290,278.24 × 7,347,758,345.04
  4. Step 4: Simplify right side
    13,606,007,561.04x = 137,963,643,580,831,399,936
  5. Step 5: Solve for x
    x = 137,963,643,580,831,399,936/13,606,007,561.04
  6. Step 6: Final answer
    x = 10,139,906,431.91

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Double scale
Find fourth proportional to 13,606,007,562.04, 18,776,290,279.62 and 7,347,758,346.04
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1.5x scale

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.