Home / 301,000,154,529.30-415,389,033,874.74-163,831,865,127.72

Finding the Fourth Proportional to 301,000,154,529.30, 415,389,033,874.74 and 163,831,865,127.72

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Solution

The fourth proportional to 301,000,154,529.30, 415,389,033,874.74 and 163,831,865,127.72 is: 226,092,774,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,000,154,529.30 : 415,389,033,874.74 = 163,831,865,127.72 : x
  2. Step 2: Convert to fraction form
    301,000,154,529.30/415,389,033,874.74 = 163,831,865,127.72/x
  3. Step 3: Cross multiply
    301,000,154,529.30x = 415,389,033,874.74 × 163,831,865,127.72
  4. Step 4: Simplify right side
    301,000,154,529.30x = 68,053,960,173,300,318,470,144
  5. Step 5: Solve for x
    x = 68,053,960,173,300,318,470,144/301,000,154,529.30
  6. Step 6: Final answer
    x = 226,092,774,868.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.