Home / 312,185,417,557.10-468,187,281,207.26-120,914,794,683.66

Finding the Fourth Proportional to 312,185,417,557.10, 468,187,281,207.26 and 120,914,794,683.66

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Solution

The fourth proportional to 312,185,417,557.10, 468,187,281,207.26 and 120,914,794,683.66 is: 181,337,006,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185,417,557.10 : 468,187,281,207.26 = 120,914,794,683.66 : x
  2. Step 2: Convert to fraction form
    312,185,417,557.10/468,187,281,207.26 = 120,914,794,683.66/x
  3. Step 3: Cross multiply
    312,185,417,557.10x = 468,187,281,207.26 × 120,914,794,683.66
  4. Step 4: Simplify right side
    312,185,417,557.10x = 56,610,768,980,676,832,133,120
  5. Step 5: Solve for x
    x = 56,610,768,980,676,832,133,120/312,185,417,557.10
  6. Step 6: Final answer
    x = 181,337,006,140.98

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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.