Home / 10,051,989,319.56-15,058,368,522.42-7,830,798,692.28

Finding the Fourth Proportional to 10,051,989,319.56, 15,058,368,522.42 and 7,830,798,692.28

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Solution

The fourth proportional to 10,051,989,319.56, 15,058,368,522.42 and 7,830,798,692.28 is: 11,730,917,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,989,319.56 : 15,058,368,522.42 = 7,830,798,692.28 : x
  2. Step 2: Convert to fraction form
    10,051,989,319.56/15,058,368,522.42 = 7,830,798,692.28/x
  3. Step 3: Cross multiply
    10,051,989,319.56x = 15,058,368,522.42 × 7,830,798,692.28
  4. Step 4: Simplify right side
    10,051,989,319.56x = 117,919,052,533,236,842,496
  5. Step 5: Solve for x
    x = 117,919,052,533,236,842,496/10,051,989,319.56
  6. Step 6: Final answer
    x = 11,730,917,013.99

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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.