Home / 319,289,433.40-478,934,150.10-242,761,929.40

Finding the Fourth Proportional to 319,289,433.40, 478,934,150.10 and 242,761,929.40

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Solution

The fourth proportional to 319,289,433.40, 478,934,150.10 and 242,761,929.40 is: 364,142,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,289,433.40 : 478,934,150.10 = 242,761,929.40 : x
  2. Step 2: Convert to fraction form
    319,289,433.40/478,934,150.10 = 242,761,929.40/x
  3. Step 3: Cross multiply
    319,289,433.40x = 478,934,150.10 × 242,761,929.40
  4. Step 4: Simplify right side
    319,289,433.40x = 116,266,978,333,825,216
  5. Step 5: Solve for x
    x = 116,266,978,333,825,216/319,289,433.40
  6. Step 6: Final answer
    x = 364,142,894.10

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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.