Home / 913,105,416.32-1,369,370,411.52-299,546,668.16

Finding the Fourth Proportional to 913,105,416.32, 1,369,370,411.52 and 299,546,668.16

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Solution

The fourth proportional to 913,105,416.32, 1,369,370,411.52 and 299,546,668.16 is: 449,225,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,105,416.32 : 1,369,370,411.52 = 299,546,668.16 : x
  2. Step 2: Convert to fraction form
    913,105,416.32/1,369,370,411.52 = 299,546,668.16/x
  3. Step 3: Cross multiply
    913,105,416.32x = 1,369,370,411.52 × 299,546,668.16
  4. Step 4: Simplify right side
    913,105,416.32x = 410,190,344,247,704,128
  5. Step 5: Solve for x
    x = 410,190,344,247,704,128/913,105,416.32
  6. Step 6: Final answer
    x = 449,225,617.24

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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.