Home / 1,081,243,477.44-1,492,107,000.48-611,437,049.28

Finding the Fourth Proportional to 1,081,243,477.44, 1,492,107,000.48 and 611,437,049.28

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Solution

The fourth proportional to 1,081,243,477.44, 1,492,107,000.48 and 611,437,049.28 is: 843,778,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,243,477.44 : 1,492,107,000.48 = 611,437,049.28 : x
  2. Step 2: Convert to fraction form
    1,081,243,477.44/1,492,107,000.48 = 611,437,049.28/x
  3. Step 3: Cross multiply
    1,081,243,477.44x = 1,492,107,000.48 × 611,437,049.28
  4. Step 4: Simplify right side
    1,081,243,477.44x = 912,329,501,583,522,688
  5. Step 5: Solve for x
    x = 912,329,501,583,522,688/1,081,243,477.44
  6. Step 6: Final answer
    x = 843,778,039.47

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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.