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Finding the Fourth Proportional to 605,718,047.80, 908,577,071.70 and 433,725,369.40

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Solution

The fourth proportional to 605,718,047.80, 908,577,071.70 and 433,725,369.40 is: 650,588,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,718,047.80 : 908,577,071.70 = 433,725,369.40 : x
  2. Step 2: Convert to fraction form
    605,718,047.80/908,577,071.70 = 433,725,369.40/x
  3. Step 3: Cross multiply
    605,718,047.80x = 908,577,071.70 × 433,725,369.40
  4. Step 4: Simplify right side
    605,718,047.80x = 394,072,926,051,452,800
  5. Step 5: Solve for x
    x = 394,072,926,051,452,800/605,718,047.80
  6. Step 6: Final answer
    x = 650,588,054.10

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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.