Home / 12,756,330,337.41-17,603,891,175.29-7,405,130,448.45

Finding the Fourth Proportional to 12,756,330,337.41, 17,603,891,175.29 and 7,405,130,448.45

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Solution

The fourth proportional to 12,756,330,337.41, 17,603,891,175.29 and 7,405,130,448.45 is: 10,219,170,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,330,337.41 : 17,603,891,175.29 = 7,405,130,448.45 : x
  2. Step 2: Convert to fraction form
    12,756,330,337.41/17,603,891,175.29 = 7,405,130,448.45/x
  3. Step 3: Cross multiply
    12,756,330,337.41x = 17,603,891,175.29 × 7,405,130,448.45
  4. Step 4: Simplify right side
    12,756,330,337.41x = 130,359,110,553,303,203,840
  5. Step 5: Solve for x
    x = 130,359,110,553,303,203,840/12,756,330,337.41
  6. Step 6: Final answer
    x = 10,219,170,177.10

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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.