Home / 16,420,681,941.16-22,661,420,936.55-9,186,297,855.31

Finding the Fourth Proportional to 16,420,681,941.16, 22,661,420,936.55 and 9,186,297,855.31

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Solution

The fourth proportional to 16,420,681,941.16, 22,661,420,936.55 and 9,186,297,855.31 is: 12,677,583,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420,681,941.16 : 22,661,420,936.55 = 9,186,297,855.31 : x
  2. Step 2: Convert to fraction form
    16,420,681,941.16/22,661,420,936.55 = 9,186,297,855.31/x
  3. Step 3: Cross multiply
    16,420,681,941.16x = 22,661,420,936.55 × 9,186,297,855.31
  4. Step 4: Simplify right side
    16,420,681,941.16x = 208,174,562,547,706,363,904
  5. Step 5: Solve for x
    x = 208,174,562,547,706,363,904/16,420,681,941.16
  6. Step 6: Final answer
    x = 12,677,583,263.21

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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.