Home / 311,525,518-467,289,068.52-127,292,994.50

Finding the Fourth Proportional to 311,525,518, 467,289,068.52 and 127,292,994.50

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Solution

The fourth proportional to 311,525,518, 467,289,068.52 and 127,292,994.50 is: 190,939,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,525,518 : 467,289,068.52 = 127,292,994.50 : x
  2. Step 2: Convert to fraction form
    311,525,518/467,289,068.52 = 127,292,994.50/x
  3. Step 3: Cross multiply
    311,525,518x = 467,289,068.52 × 127,292,994.50
  4. Step 4: Simplify right side
    311,525,518x = 59,482,624,829,026,480
  5. Step 5: Solve for x
    x = 59,482,624,829,026,480/311,525,518
  6. Step 6: Final answer
    x = 190,939,815.17

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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.