Home / 877,813,052.88-1,210,210,139.34-697,358,784.27

Finding the Fourth Proportional to 877,813,052.88, 1,210,210,139.34 and 697,358,784.27

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Solution

The fourth proportional to 877,813,052.88, 1,210,210,139.34 and 697,358,784.27 is: 961,424,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,813,052.88 : 1,210,210,139.34 = 697,358,784.27 : x
  2. Step 2: Convert to fraction form
    877,813,052.88/1,210,210,139.34 = 697,358,784.27/x
  3. Step 3: Cross multiply
    877,813,052.88x = 1,210,210,139.34 × 697,358,784.27
  4. Step 4: Simplify right side
    877,813,052.88x = 843,950,671,481,369,600
  5. Step 5: Solve for x
    x = 843,950,671,481,369,600/877,813,052.88
  6. Step 6: Final answer
    x = 961,424,153.71

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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.