Home / 71,005,513,261.12-97,987,661,128.20-38,452,979,598.64

Finding the Fourth Proportional to 71,005,513,261.12, 97,987,661,128.20 and 38,452,979,598.64

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Solution

The fourth proportional to 71,005,513,261.12, 97,987,661,128.20 and 38,452,979,598.64 is: 53,065,140,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005,513,261.12 : 97,987,661,128.20 = 38,452,979,598.64 : x
  2. Step 2: Convert to fraction form
    71,005,513,261.12/97,987,661,128.20 = 38,452,979,598.64/x
  3. Step 3: Cross multiply
    71,005,513,261.12x = 97,987,661,128.20 × 38,452,979,598.64
  4. Step 4: Simplify right side
    71,005,513,261.12x = 3,767,917,534,281,124,020,224
  5. Step 5: Solve for x
    x = 3,767,917,534,281,124,020,224/71,005,513,261.12
  6. Step 6: Final answer
    x = 53,065,140,455.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.