Home / 425,937,388,664.86-638,945,359,429.40-139,096,948,478.64

Finding the Fourth Proportional to 425,937,388,664.86, 638,945,359,429.40 and 139,096,948,478.64

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Solution

The fourth proportional to 425,937,388,664.86, 638,945,359,429.40 and 139,096,948,478.64 is: 208,658,249,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,937,388,664.86 : 638,945,359,429.40 = 139,096,948,478.64 : x
  2. Step 2: Convert to fraction form
    425,937,388,664.86/638,945,359,429.40 = 139,096,948,478.64/x
  3. Step 3: Cross multiply
    425,937,388,664.86x = 638,945,359,429.40 × 139,096,948,478.64
  4. Step 4: Simplify right side
    425,937,388,664.86x = 88,875,349,741,217,379,254,272
  5. Step 5: Solve for x
    x = 88,875,349,741,217,379,254,272/425,937,388,664.86
  6. Step 6: Final answer
    x = 208,658,249,091.04

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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.