Home / 1,912,476,780,639.80-2,639,217,762,360-1,045,385,021,565.60

Finding the Fourth Proportional to 1,912,476,780,639.80, 2,639,217,762,360 and 1,045,385,021,565.60

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Solution

The fourth proportional to 1,912,476,780,639.80, 2,639,217,762,360 and 1,045,385,021,565.60 is: 1,442,631,223,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,476,780,639.80 : 2,639,217,762,360 = 1,045,385,021,565.60 : x
  2. Step 2: Convert to fraction form
    1,912,476,780,639.80/2,639,217,762,360 = 1,045,385,021,565.60/x
  3. Step 3: Cross multiply
    1,912,476,780,639.80x = 2,639,217,762,360 × 1,045,385,021,565.60
  4. Step 4: Simplify right side
    1,912,476,780,639.80x = 2,758,998,717,421,023,303,565,312
  5. Step 5: Solve for x
    x = 2,758,998,717,421,023,303,565,312/1,912,476,780,639.80
  6. Step 6: Final answer
    x = 1,442,631,223,213.09

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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.