Home / 8,907,641,527.62-13,366,979,897.22-5,178,687,933.90

Finding the Fourth Proportional to 8,907,641,527.62, 13,366,979,897.22 and 5,178,687,933.90

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Solution

The fourth proportional to 8,907,641,527.62, 13,366,979,897.22 and 5,178,687,933.90 is: 7,771,239,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,641,527.62 : 13,366,979,897.22 = 5,178,687,933.90 : x
  2. Step 2: Convert to fraction form
    8,907,641,527.62/13,366,979,897.22 = 5,178,687,933.90/x
  3. Step 3: Cross multiply
    8,907,641,527.62x = 13,366,979,897.22 × 5,178,687,933.90
  4. Step 4: Simplify right side
    8,907,641,527.62x = 69,223,417,506,417,065,984
  5. Step 5: Solve for x
    x = 69,223,417,506,417,065,984/8,907,641,527.62
  6. Step 6: Final answer
    x = 7,771,239,703.77

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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.