Home / 3,401,357,140.50-5,102,035,776.36-816,428,116.50

Finding the Fourth Proportional to 3,401,357,140.50, 5,102,035,776.36 and 816,428,116.50

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Solution

The fourth proportional to 3,401,357,140.50, 5,102,035,776.36 and 816,428,116.50 is: 1,224,642,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,357,140.50 : 5,102,035,776.36 = 816,428,116.50 : x
  2. Step 2: Convert to fraction form
    3,401,357,140.50/5,102,035,776.36 = 816,428,116.50/x
  3. Step 3: Cross multiply
    3,401,357,140.50x = 5,102,035,776.36 × 816,428,116.50
  4. Step 4: Simplify right side
    3,401,357,140.50x = 4,165,445,459,209,209,856
  5. Step 5: Solve for x
    x = 4,165,445,459,209,209,856/3,401,357,140.50
  6. Step 6: Final answer
    x = 1,224,642,190.50

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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.