Home / 71,194,208,649.58-98,248,080,646.89-38,641,429,006.40

Finding the Fourth Proportional to 71,194,208,649.58, 98,248,080,646.89 and 38,641,429,006.40

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Solution

The fourth proportional to 71,194,208,649.58, 98,248,080,646.89 and 38,641,429,006.40 is: 53,325,211,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194,208,649.58 : 98,248,080,646.89 = 38,641,429,006.40 : x
  2. Step 2: Convert to fraction form
    71,194,208,649.58/98,248,080,646.89 = 38,641,429,006.40/x
  3. Step 3: Cross multiply
    71,194,208,649.58x = 98,248,080,646.89 × 38,641,429,006.40
  4. Step 4: Simplify right side
    71,194,208,649.58x = 3,796,446,233,331,373,703,168
  5. Step 5: Solve for x
    x = 3,796,446,233,331,373,703,168/71,194,208,649.58
  6. Step 6: Final answer
    x = 53,325,211,493.23

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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.