Home / 631,156,950.80-946,287,528.60-242,829,731.60

Finding the Fourth Proportional to 631,156,950.80, 946,287,528.60 and 242,829,731.60

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Solution

The fourth proportional to 631,156,950.80, 946,287,528.60 and 242,829,731.60 is: 364,072,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,156,950.80 : 946,287,528.60 = 242,829,731.60 : x
  2. Step 2: Convert to fraction form
    631,156,950.80/946,287,528.60 = 242,829,731.60/x
  3. Step 3: Cross multiply
    631,156,950.80x = 946,287,528.60 × 242,829,731.60
  4. Step 4: Simplify right side
    631,156,950.80x = 229,786,746,586,365,312
  5. Step 5: Solve for x
    x = 229,786,746,586,365,312/631,156,950.80
  6. Step 6: Final answer
    x = 364,072,274.41

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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.