Home / 65,714,976,021.60-98,572,464,032.40-39,593,587,989.60

Finding the Fourth Proportional to 65,714,976,021.60, 98,572,464,032.40 and 39,593,587,989.60

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Solution

The fourth proportional to 65,714,976,021.60, 98,572,464,032.40 and 39,593,587,989.60 is: 59,390,381,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,714,976,021.60 : 98,572,464,032.40 = 39,593,587,989.60 : x
  2. Step 2: Convert to fraction form
    65,714,976,021.60/98,572,464,032.40 = 39,593,587,989.60/x
  3. Step 3: Cross multiply
    65,714,976,021.60x = 98,572,464,032.40 × 39,593,587,989.60
  4. Step 4: Simplify right side
    65,714,976,021.60x = 3,902,837,528,018,510,413,824
  5. Step 5: Solve for x
    x = 3,902,837,528,018,510,413,824/65,714,976,021.60
  6. Step 6: Final answer
    x = 59,390,381,984.40

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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.