Home / 13,890,834,220.91-19,169,525,569.50-7,547,307,991.87

Finding the Fourth Proportional to 13,890,834,220.91, 19,169,525,569.50 and 7,547,307,991.87

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Solution

The fourth proportional to 13,890,834,220.91, 19,169,525,569.50 and 7,547,307,991.87 is: 10,415,379,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,834,220.91 : 19,169,525,569.50 = 7,547,307,991.87 : x
  2. Step 2: Convert to fraction form
    13,890,834,220.91/19,169,525,569.50 = 7,547,307,991.87/x
  3. Step 3: Cross multiply
    13,890,834,220.91x = 19,169,525,569.50 × 7,547,307,991.87
  4. Step 4: Simplify right side
    13,890,834,220.91x = 144,678,313,531,135,672,320
  5. Step 5: Solve for x
    x = 144,678,313,531,135,672,320/13,890,834,220.91
  6. Step 6: Final answer
    x = 10,415,379,755.48

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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.