Home / 9,169,168,896.81-12,653,377,014.06-5,154,857,059.86

Finding the Fourth Proportional to 9,169,168,896.81, 12,653,377,014.06 and 5,154,857,059.86

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Solution

The fourth proportional to 9,169,168,896.81, 12,653,377,014.06 and 5,154,857,059.86 is: 7,113,659,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,168,896.81 : 12,653,377,014.06 = 5,154,857,059.86 : x
  2. Step 2: Convert to fraction form
    9,169,168,896.81/12,653,377,014.06 = 5,154,857,059.86/x
  3. Step 3: Cross multiply
    9,169,168,896.81x = 12,653,377,014.06 × 5,154,857,059.86
  4. Step 4: Simplify right side
    9,169,168,896.81x = 65,226,349,831,997,431,808
  5. Step 5: Solve for x
    x = 65,226,349,831,997,431,808/9,169,168,896.81
  6. Step 6: Final answer
    x = 7,113,659,980.10

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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.