Home / 7,558,287,428.45-11,337,431,142.68-5,191,036,638.05

Finding the Fourth Proportional to 7,558,287,428.45, 11,337,431,142.68 and 5,191,036,638.05

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Solution

The fourth proportional to 7,558,287,428.45, 11,337,431,142.68 and 5,191,036,638.05 is: 7,786,554,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558,287,428.45 : 11,337,431,142.68 = 5,191,036,638.05 : x
  2. Step 2: Convert to fraction form
    7,558,287,428.45/11,337,431,142.68 = 5,191,036,638.05/x
  3. Step 3: Cross multiply
    7,558,287,428.45x = 11,337,431,142.68 × 5,191,036,638.05
  4. Step 4: Simplify right side
    7,558,287,428.45x = 58,853,020,442,994,999,296
  5. Step 5: Solve for x
    x = 58,853,020,442,994,999,296/7,558,287,428.45
  6. Step 6: Final answer
    x = 7,786,554,957.08

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Double scale
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1.5x scale

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.