Home / 1,988,273,506.50-2,981,931,889.89-608,099,971.86

Finding the Fourth Proportional to 1,988,273,506.50, 2,981,931,889.89 and 608,099,971.86

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Solution

The fourth proportional to 1,988,273,506.50, 2,981,931,889.89 and 608,099,971.86 is: 912,003,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,273,506.50 : 2,981,931,889.89 = 608,099,971.86 : x
  2. Step 2: Convert to fraction form
    1,988,273,506.50/2,981,931,889.89 = 608,099,971.86/x
  3. Step 3: Cross multiply
    1,988,273,506.50x = 2,981,931,889.89 × 608,099,971.86
  4. Step 4: Simplify right side
    1,988,273,506.50x = 1,813,312,698,330,545,664
  5. Step 5: Solve for x
    x = 1,813,312,698,330,545,664/1,988,273,506.50
  6. Step 6: Final answer
    x = 912,003,651.61

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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.