Home / 22,455,104,450.81-30,988,289,030.16-12,430,766,701.86

Finding the Fourth Proportional to 22,455,104,450.81, 30,988,289,030.16 and 12,430,766,701.86

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Solution

The fourth proportional to 22,455,104,450.81, 30,988,289,030.16 and 12,430,766,701.86 is: 17,154,593,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455,104,450.81 : 30,988,289,030.16 = 12,430,766,701.86 : x
  2. Step 2: Convert to fraction form
    22,455,104,450.81/30,988,289,030.16 = 12,430,766,701.86/x
  3. Step 3: Cross multiply
    22,455,104,450.81x = 30,988,289,030.16 × 12,430,766,701.86
  4. Step 4: Simplify right side
    22,455,104,450.81x = 385,208,191,423,726,485,504
  5. Step 5: Solve for x
    x = 385,208,191,423,726,485,504/22,455,104,450.81
  6. Step 6: Final answer
    x = 17,154,593,614.45

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Double scale
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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.