Home / 877,813,049.88-1,210,210,135.20-697,358,781.27

Finding the Fourth Proportional to 877,813,049.88, 1,210,210,135.20 and 697,358,781.27

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Solution

The fourth proportional to 877,813,049.88, 1,210,210,135.20 and 697,358,781.27 is: 961,424,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,813,049.88 : 1,210,210,135.20 = 697,358,781.27 : x
  2. Step 2: Convert to fraction form
    877,813,049.88/1,210,210,135.20 = 697,358,781.27/x
  3. Step 3: Cross multiply
    877,813,049.88x = 1,210,210,135.20 × 697,358,781.27
  4. Step 4: Simplify right side
    877,813,049.88x = 843,950,664,963,673,984
  5. Step 5: Solve for x
    x = 843,950,664,963,673,984/877,813,049.88
  6. Step 6: Final answer
    x = 961,424,149.57

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1.5x scale

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.