Home / 425,937,388,669.36-638,945,359,436.20-139,096,948,483.14

Finding the Fourth Proportional to 425,937,388,669.36, 638,945,359,436.20 and 139,096,948,483.14

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Solution

The fourth proportional to 425,937,388,669.36, 638,945,359,436.20 and 139,096,948,483.14 is: 208,658,249,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,937,388,669.36 : 638,945,359,436.20 = 139,096,948,483.14 : x
  2. Step 2: Convert to fraction form
    425,937,388,669.36/638,945,359,436.20 = 139,096,948,483.14/x
  3. Step 3: Cross multiply
    425,937,388,669.36x = 638,945,359,436.20 × 139,096,948,483.14
  4. Step 4: Simplify right side
    425,937,388,669.36x = 88,875,349,745,038,490,861,568
  5. Step 5: Solve for x
    x = 88,875,349,745,038,490,861,568/425,937,388,669.36
  6. Step 6: Final answer
    x = 208,658,249,097.80

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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.