Home / 69,074,403,999.60-103,611,605,999.40-64,115,421,740.40

Finding the Fourth Proportional to 69,074,403,999.60, 103,611,605,999.40 and 64,115,421,740.40

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Solution

The fourth proportional to 69,074,403,999.60, 103,611,605,999.40 and 64,115,421,740.40 is: 96,173,132,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074,403,999.60 : 103,611,605,999.40 = 64,115,421,740.40 : x
  2. Step 2: Convert to fraction form
    69,074,403,999.60/103,611,605,999.40 = 64,115,421,740.40/x
  3. Step 3: Cross multiply
    69,074,403,999.60x = 103,611,605,999.40 × 64,115,421,740.40
  4. Step 4: Simplify right side
    69,074,403,999.60x = 6,643,101,815,851,689,443,328
  5. Step 5: Solve for x
    x = 6,643,101,815,851,689,443,328/69,074,403,999.60
  6. Step 6: Final answer
    x = 96,173,132,610.60

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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.