Home / 73,580,864,005.60-110,371,296,008.40-21,237,758,879.20

Finding the Fourth Proportional to 73,580,864,005.60, 110,371,296,008.40 and 21,237,758,879.20

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Solution

The fourth proportional to 73,580,864,005.60, 110,371,296,008.40 and 21,237,758,879.20 is: 31,856,638,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,580,864,005.60 : 110,371,296,008.40 = 21,237,758,879.20 : x
  2. Step 2: Convert to fraction form
    73,580,864,005.60/110,371,296,008.40 = 21,237,758,879.20/x
  3. Step 3: Cross multiply
    73,580,864,005.60x = 110,371,296,008.40 × 21,237,758,879.20
  4. Step 4: Simplify right side
    73,580,864,005.60x = 2,344,038,971,811,208,626,176
  5. Step 5: Solve for x
    x = 2,344,038,971,811,208,626,176/73,580,864,005.60
  6. Step 6: Final answer
    x = 31,856,638,318.80

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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.