Home / 9,945,640,389.32-13,724,913,916.68-5,429,519,442.08

Finding the Fourth Proportional to 9,945,640,389.32, 13,724,913,916.68 and 5,429,519,442.08

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Solution

The fourth proportional to 9,945,640,389.32, 13,724,913,916.68 and 5,429,519,442.08 is: 7,492,698,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945,640,389.32 : 13,724,913,916.68 = 5,429,519,442.08 : x
  2. Step 2: Convert to fraction form
    9,945,640,389.32/13,724,913,916.68 = 5,429,519,442.08/x
  3. Step 3: Cross multiply
    9,945,640,389.32x = 13,724,913,916.68 × 5,429,519,442.08
  4. Step 4: Simplify right side
    9,945,640,389.32x = 74,519,686,951,488,421,888
  5. Step 5: Solve for x
    x = 74,519,686,951,488,421,888/9,945,640,389.32
  6. Step 6: Final answer
    x = 7,492,698,713.65

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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.