Home / 972,695,442.49-1,459,132,857.69-317,649,901.81

Finding the Fourth Proportional to 972,695,442.49, 1,459,132,857.69 and 317,649,901.81

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Solution

The fourth proportional to 972,695,442.49, 1,459,132,857.69 and 317,649,901.81 is: 476,504,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,442.49 : 1,459,132,857.69 = 317,649,901.81 : x
  2. Step 2: Convert to fraction form
    972,695,442.49/1,459,132,857.69 = 317,649,901.81/x
  3. Step 3: Cross multiply
    972,695,442.49x = 1,459,132,857.69 × 317,649,901.81
  4. Step 4: Simplify right side
    972,695,442.49x = 463,493,408,972,973,248
  5. Step 5: Solve for x
    x = 463,493,408,972,973,248/972,695,442.49
  6. Step 6: Final answer
    x = 476,504,143.77

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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.