Home / 12,552,815,633.60-18,829,223,450.40-7,042,835,345.60

Finding the Fourth Proportional to 12,552,815,633.60, 18,829,223,450.40 and 7,042,835,345.60

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Solution

The fourth proportional to 12,552,815,633.60, 18,829,223,450.40 and 7,042,835,345.60 is: 10,564,253,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552,815,633.60 : 18,829,223,450.40 = 7,042,835,345.60 : x
  2. Step 2: Convert to fraction form
    12,552,815,633.60/18,829,223,450.40 = 7,042,835,345.60/x
  3. Step 3: Cross multiply
    12,552,815,633.60x = 18,829,223,450.40 × 7,042,835,345.60
  4. Step 4: Simplify right side
    12,552,815,633.60x = 132,611,120,446,677,532,672
  5. Step 5: Solve for x
    x = 132,611,120,446,677,532,672/12,552,815,633.60
  6. Step 6: Final answer
    x = 10,564,253,018.40

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Double scale
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1.5x scale

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.