Home / 1,310,310,432,001.80-1,965,465,648,002.70-639,194,832,923.40

Finding the Fourth Proportional to 1,310,310,432,001.80, 1,965,465,648,002.70 and 639,194,832,923.40

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Solution

The fourth proportional to 1,310,310,432,001.80, 1,965,465,648,002.70 and 639,194,832,923.40 is: 958,792,249,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,310,432,001.80 : 1,965,465,648,002.70 = 639,194,832,923.40 : x
  2. Step 2: Convert to fraction form
    1,310,310,432,001.80/1,965,465,648,002.70 = 639,194,832,923.40/x
  3. Step 3: Cross multiply
    1,310,310,432,001.80x = 1,965,465,648,002.70 × 639,194,832,923.40
  4. Step 4: Simplify right side
    1,310,310,432,001.80x = 1,256,315,486,491,767,952,375,808
  5. Step 5: Solve for x
    x = 1,256,315,486,491,767,952,375,808/1,310,310,432,001.80
  6. Step 6: Final answer
    x = 958,792,249,385.10

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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.