Home / 51,478,715,142.65-77,216,645,296.58-13,705,614,551.32

Finding the Fourth Proportional to 51,478,715,142.65, 77,216,645,296.58 and 13,705,614,551.32

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Solution

The fourth proportional to 51,478,715,142.65, 77,216,645,296.58 and 13,705,614,551.32 is: 20,558,041,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478,715,142.65 : 77,216,645,296.58 = 13,705,614,551.32 : x
  2. Step 2: Convert to fraction form
    51,478,715,142.65/77,216,645,296.58 = 13,705,614,551.32/x
  3. Step 3: Cross multiply
    51,478,715,142.65x = 77,216,645,296.58 × 13,705,614,551.32
  4. Step 4: Simplify right side
    51,478,715,142.65x = 1,058,301,577,380,712,808,448
  5. Step 5: Solve for x
    x = 1,058,301,577,380,712,808,448/51,478,715,142.65
  6. Step 6: Final answer
    x = 20,558,041,793.55

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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.