Home / 479,646,378.59-719,538,199.43-147,681,476.34

Finding the Fourth Proportional to 479,646,378.59, 719,538,199.43 and 147,681,476.34

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Solution

The fourth proportional to 479,646,378.59, 719,538,199.43 and 147,681,476.34 is: 221,543,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,646,378.59 : 719,538,199.43 = 147,681,476.34 : x
  2. Step 2: Convert to fraction form
    479,646,378.59/719,538,199.43 = 147,681,476.34/x
  3. Step 3: Cross multiply
    479,646,378.59x = 719,538,199.43 × 147,681,476.34
  4. Step 4: Simplify right side
    479,646,378.59x = 106,262,463,574,109,328
  5. Step 5: Solve for x
    x = 106,262,463,574,109,328/479,646,378.59
  6. Step 6: Final answer
    x = 221,543,345.93

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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.