Home / 48,713,674,857.60-73,078,574,443.20-20,778,301,545.60

Finding the Fourth Proportional to 48,713,674,857.60, 73,078,574,443.20 and 20,778,301,545.60

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Solution

The fourth proportional to 48,713,674,857.60, 73,078,574,443.20 and 20,778,301,545.60 is: 31,170,891,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,713,674,857.60 : 73,078,574,443.20 = 20,778,301,545.60 : x
  2. Step 2: Convert to fraction form
    48,713,674,857.60/73,078,574,443.20 = 20,778,301,545.60/x
  3. Step 3: Cross multiply
    48,713,674,857.60x = 73,078,574,443.20 × 20,778,301,545.60
  4. Step 4: Simplify right side
    48,713,674,857.60x = 1,518,448,656,303,387,049,984
  5. Step 5: Solve for x
    x = 1,518,448,656,303,387,049,984/48,713,674,857.60
  6. Step 6: Final answer
    x = 31,170,891,145.91

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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.