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Finding the Fourth Proportional to 670,971,006.84, 925,931,160.48 and 369,550,530.29

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Solution

The fourth proportional to 670,971,006.84, 925,931,160.48 and 369,550,530.29 is: 509,974,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,971,006.84 : 925,931,160.48 = 369,550,530.29 : x
  2. Step 2: Convert to fraction form
    670,971,006.84/925,931,160.48 = 369,550,530.29/x
  3. Step 3: Cross multiply
    670,971,006.84x = 925,931,160.48 × 369,550,530.29
  4. Step 4: Simplify right side
    670,971,006.84x = 342,178,351,367,419,136
  5. Step 5: Solve for x
    x = 342,178,351,367,419,136/670,971,006.84
  6. Step 6: Final answer
    x = 509,974,869.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.