Home / 6,499,378,931.91-9,742,264,109.38-2,719,936,690.79

Finding the Fourth Proportional to 6,499,378,931.91, 9,742,264,109.38 and 2,719,936,690.79

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Solution

The fourth proportional to 6,499,378,931.91, 9,742,264,109.38 and 2,719,936,690.79 is: 4,077,057,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499,378,931.91 : 9,742,264,109.38 = 2,719,936,690.79 : x
  2. Step 2: Convert to fraction form
    6,499,378,931.91/9,742,264,109.38 = 2,719,936,690.79/x
  3. Step 3: Cross multiply
    6,499,378,931.91x = 9,742,264,109.38 × 2,719,936,690.79
  4. Step 4: Simplify right side
    6,499,378,931.91x = 26,498,341,602,423,775,232
  5. Step 5: Solve for x
    x = 26,498,341,602,423,775,232/6,499,378,931.91
  6. Step 6: Final answer
    x = 4,077,057,497.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.