Home / 12,931,975,853.80-19,397,963,780.70-5,585,335,469.80

Finding the Fourth Proportional to 12,931,975,853.80, 19,397,963,780.70 and 5,585,335,469.80

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Solution

The fourth proportional to 12,931,975,853.80, 19,397,963,780.70 and 5,585,335,469.80 is: 8,378,003,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,975,853.80 : 19,397,963,780.70 = 5,585,335,469.80 : x
  2. Step 2: Convert to fraction form
    12,931,975,853.80/19,397,963,780.70 = 5,585,335,469.80/x
  3. Step 3: Cross multiply
    12,931,975,853.80x = 19,397,963,780.70 × 5,585,335,469.80
  4. Step 4: Simplify right side
    12,931,975,853.80x = 108,344,135,146,239,426,560
  5. Step 5: Solve for x
    x = 108,344,135,146,239,426,560/12,931,975,853.80
  6. Step 6: Final answer
    x = 8,378,003,204.70

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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.