Home / 199,698,437,380.36-299,543,459,329.80-48,605,581,691.32

Finding the Fourth Proportional to 199,698,437,380.36, 299,543,459,329.80 and 48,605,581,691.32

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Solution

The fourth proportional to 199,698,437,380.36, 299,543,459,329.80 and 48,605,581,691.32 is: 72,907,351,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,698,437,380.36 : 299,543,459,329.80 = 48,605,581,691.32 : x
  2. Step 2: Convert to fraction form
    199,698,437,380.36/299,543,459,329.80 = 48,605,581,691.32/x
  3. Step 3: Cross multiply
    199,698,437,380.36x = 299,543,459,329.80 × 48,605,581,691.32
  4. Step 4: Simplify right side
    199,698,437,380.36x = 14,559,484,082,556,380,381,184
  5. Step 5: Solve for x
    x = 14,559,484,082,556,380,381,184/199,698,437,380.36
  6. Step 6: Final answer
    x = 72,907,351,071.68

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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.