Home / 28,087,008,937.82-42,124,066,412.20-16,745,395,172.84

Finding the Fourth Proportional to 28,087,008,937.82, 42,124,066,412.20 and 16,745,395,172.84

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Solution

The fourth proportional to 28,087,008,937.82, 42,124,066,412.20 and 16,745,395,172.84 is: 25,114,249,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087,008,937.82 : 42,124,066,412.20 = 16,745,395,172.84 : x
  2. Step 2: Convert to fraction form
    28,087,008,937.82/42,124,066,412.20 = 16,745,395,172.84/x
  3. Step 3: Cross multiply
    28,087,008,937.82x = 42,124,066,412.20 × 16,745,395,172.84
  4. Step 4: Simplify right side
    28,087,008,937.82x = 705,384,138,359,245,373,440
  5. Step 5: Solve for x
    x = 705,384,138,359,245,373,440/28,087,008,937.82
  6. Step 6: Final answer
    x = 25,114,249,079.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.