Home / 331,955,140.40-497,932,710.60-168,696,465.20

Finding the Fourth Proportional to 331,955,140.40, 497,932,710.60 and 168,696,465.20

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Solution

The fourth proportional to 331,955,140.40, 497,932,710.60 and 168,696,465.20 is: 253,044,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,955,140.40 : 497,932,710.60 = 168,696,465.20 : x
  2. Step 2: Convert to fraction form
    331,955,140.40/497,932,710.60 = 168,696,465.20/x
  3. Step 3: Cross multiply
    331,955,140.40x = 497,932,710.60 × 168,696,465.20
  4. Step 4: Simplify right side
    331,955,140.40x = 83,999,488,185,674,576
  5. Step 5: Solve for x
    x = 83,999,488,185,674,576/331,955,140.40
  6. Step 6: Final answer
    x = 253,044,697.80

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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.