Home / 817,887,754,212.10-1,226,831,631,318.10-778,835,768,920.90

Finding the Fourth Proportional to 817,887,754,212.10, 1,226,831,631,318.10 and 778,835,768,920.90

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Solution

The fourth proportional to 817,887,754,212.10, 1,226,831,631,318.10 and 778,835,768,920.90 is: 1,168,253,653,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,887,754,212.10 : 1,226,831,631,318.10 = 778,835,768,920.90 : x
  2. Step 2: Convert to fraction form
    817,887,754,212.10/1,226,831,631,318.10 = 778,835,768,920.90/x
  3. Step 3: Cross multiply
    817,887,754,212.10x = 1,226,831,631,318.10 × 778,835,768,920.90
  4. Step 4: Simplify right side
    817,887,754,212.10x = 955,500,356,914,114,629,468,160
  5. Step 5: Solve for x
    x = 955,500,356,914,114,629,468,160/817,887,754,212.10
  6. Step 6: Final answer
    x = 1,168,253,653,381.30

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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.