Home / 417,308,421.60-625,962,632.40-262,111,903.20

Finding the Fourth Proportional to 417,308,421.60, 625,962,632.40 and 262,111,903.20

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Solution

The fourth proportional to 417,308,421.60, 625,962,632.40 and 262,111,903.20 is: 393,167,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,308,421.60 : 625,962,632.40 = 262,111,903.20 : x
  2. Step 2: Convert to fraction form
    417,308,421.60/625,962,632.40 = 262,111,903.20/x
  3. Step 3: Cross multiply
    417,308,421.60x = 625,962,632.40 × 262,111,903.20
  4. Step 4: Simplify right side
    417,308,421.60x = 164,072,256,910,445,984
  5. Step 5: Solve for x
    x = 164,072,256,910,445,984/417,308,421.60
  6. Step 6: Final answer
    x = 393,167,854.80

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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.