Home / 20,717,577,534.80-31,076,366,302.20-18,323,116,965.20

Finding the Fourth Proportional to 20,717,577,534.80, 31,076,366,302.20 and 18,323,116,965.20

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Solution

The fourth proportional to 20,717,577,534.80, 31,076,366,302.20 and 18,323,116,965.20 is: 27,484,675,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,577,534.80 : 31,076,366,302.20 = 18,323,116,965.20 : x
  2. Step 2: Convert to fraction form
    20,717,577,534.80/31,076,366,302.20 = 18,323,116,965.20/x
  3. Step 3: Cross multiply
    20,717,577,534.80x = 31,076,366,302.20 × 18,323,116,965.20
  4. Step 4: Simplify right side
    20,717,577,534.80x = 569,415,894,608,610,459,648
  5. Step 5: Solve for x
    x = 569,415,894,608,610,459,648/20,717,577,534.80
  6. Step 6: Final answer
    x = 27,484,675,447.80

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Double scale
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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.