Home / 413,163,812.40-570,147,669-236,825,389.68

Finding the Fourth Proportional to 413,163,812.40, 570,147,669 and 236,825,389.68

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Solution

The fourth proportional to 413,163,812.40, 570,147,669 and 236,825,389.68 is: 326,808,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,163,812.40 : 570,147,669 = 236,825,389.68 : x
  2. Step 2: Convert to fraction form
    413,163,812.40/570,147,669 = 236,825,389.68/x
  3. Step 3: Cross multiply
    413,163,812.40x = 570,147,669 × 236,825,389.68
  4. Step 4: Simplify right side
    413,163,812.40x = 135,025,443,886,068,656
  5. Step 5: Solve for x
    x = 135,025,443,886,068,656/413,163,812.40
  6. Step 6: Final answer
    x = 326,808,495.40

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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.