Home / 1,312,031,424,434.40-1,965,898,000,939.90-698,759,865,107.15

Finding the Fourth Proportional to 1,312,031,424,434.40, 1,965,898,000,939.90 and 698,759,865,107.15

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Solution

The fourth proportional to 1,312,031,424,434.40, 1,965,898,000,939.90 and 698,759,865,107.15 is: 1,046,995,213,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,031,424,434.40 : 1,965,898,000,939.90 = 698,759,865,107.15 : x
  2. Step 2: Convert to fraction form
    1,312,031,424,434.40/1,965,898,000,939.90 = 698,759,865,107.15/x
  3. Step 3: Cross multiply
    1,312,031,424,434.40x = 1,965,898,000,939.90 × 698,759,865,107.15
  4. Step 4: Simplify right side
    1,312,031,424,434.40x = 1,373,690,621,951,180,349,112,320
  5. Step 5: Solve for x
    x = 1,373,690,621,951,180,349,112,320/1,312,031,424,434.40
  6. Step 6: Final answer
    x = 1,046,995,213,962.47

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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.