Home / 71,008,628,666.33-97,990,696,488.70-38,455,578,497.12

Finding the Fourth Proportional to 71,008,628,666.33, 97,990,696,488.70 and 38,455,578,497.12

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Solution

The fourth proportional to 71,008,628,666.33, 97,990,696,488.70 and 38,455,578,497.12 is: 53,068,042,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,628,666.33 : 97,990,696,488.70 = 38,455,578,497.12 : x
  2. Step 2: Convert to fraction form
    71,008,628,666.33/97,990,696,488.70 = 38,455,578,497.12/x
  3. Step 3: Cross multiply
    71,008,628,666.33x = 97,990,696,488.70 × 38,455,578,497.12
  4. Step 4: Simplify right side
    71,008,628,666.33x = 3,768,288,920,808,058,781,696
  5. Step 5: Solve for x
    x = 3,768,288,920,808,058,781,696/71,008,628,666.33
  6. Step 6: Final answer
    x = 53,068,042,456.01

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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.