Home / 7,078,401,617.90-10,619,001,126.19-2,596,537,861.03

Finding the Fourth Proportional to 7,078,401,617.90, 10,619,001,126.19 and 2,596,537,861.03

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Solution

The fourth proportional to 7,078,401,617.90, 10,619,001,126.19 and 2,596,537,861.03 is: 3,895,319,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,401,617.90 : 10,619,001,126.19 = 2,596,537,861.03 : x
  2. Step 2: Convert to fraction form
    7,078,401,617.90/10,619,001,126.19 = 2,596,537,861.03/x
  3. Step 3: Cross multiply
    7,078,401,617.90x = 10,619,001,126.19 × 2,596,537,861.03
  4. Step 4: Simplify right side
    7,078,401,617.90x = 27,572,638,470,415,433,728
  5. Step 5: Solve for x
    x = 27,572,638,470,415,433,728/7,078,401,617.90
  6. Step 6: Final answer
    x = 3,895,319,870.05

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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.