Home / 64,706,688,008.20-97,060,032,012.30-31,565,176,942.60

Finding the Fourth Proportional to 64,706,688,008.20, 97,060,032,012.30 and 31,565,176,942.60

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Solution

The fourth proportional to 64,706,688,008.20, 97,060,032,012.30 and 31,565,176,942.60 is: 47,347,765,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706,688,008.20 : 97,060,032,012.30 = 31,565,176,942.60 : x
  2. Step 2: Convert to fraction form
    64,706,688,008.20/97,060,032,012.30 = 31,565,176,942.60/x
  3. Step 3: Cross multiply
    64,706,688,008.20x = 97,060,032,012.30 × 31,565,176,942.60
  4. Step 4: Simplify right side
    64,706,688,008.20x = 3,063,717,084,522,669,932,544
  5. Step 5: Solve for x
    x = 3,063,717,084,522,669,932,544/64,706,688,008.20
  6. Step 6: Final answer
    x = 47,347,765,413.90

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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.