Home / 13,999,054,332.72-21,000,669,499.08-5,155,213,185.84

Finding the Fourth Proportional to 13,999,054,332.72, 21,000,669,499.08 and 5,155,213,185.84

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Solution

The fourth proportional to 13,999,054,332.72, 21,000,669,499.08 and 5,155,213,185.84 is: 7,733,588,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,054,332.72 : 21,000,669,499.08 = 5,155,213,185.84 : x
  2. Step 2: Convert to fraction form
    13,999,054,332.72/21,000,669,499.08 = 5,155,213,185.84/x
  3. Step 3: Cross multiply
    13,999,054,332.72x = 21,000,669,499.08 × 5,155,213,185.84
  4. Step 4: Simplify right side
    13,999,054,332.72x = 108,262,928,313,125,142,528
  5. Step 5: Solve for x
    x = 108,262,928,313,125,142,528/13,999,054,332.72
  6. Step 6: Final answer
    x = 7,733,588,693.92

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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.