Home / 1,072,011,928.12-1,607,329,675.95-416,264,220.88

Finding the Fourth Proportional to 1,072,011,928.12, 1,607,329,675.95 and 416,264,220.88

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Solution

The fourth proportional to 1,072,011,928.12, 1,607,329,675.95 and 416,264,220.88 is: 624,129,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,011,928.12 : 1,607,329,675.95 = 416,264,220.88 : x
  2. Step 2: Convert to fraction form
    1,072,011,928.12/1,607,329,675.95 = 416,264,220.88/x
  3. Step 3: Cross multiply
    1,072,011,928.12x = 1,607,329,675.95 × 416,264,220.88
  4. Step 4: Simplify right side
    1,072,011,928.12x = 669,073,835,256,629,632
  5. Step 5: Solve for x
    x = 669,073,835,256,629,632/1,072,011,928.12
  6. Step 6: Final answer
    x = 624,129,095.68

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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.