Home / 916,846,665.56-1,265,358,096.06-540,588,420.44

Finding the Fourth Proportional to 916,846,665.56, 1,265,358,096.06 and 540,588,420.44

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Solution

The fourth proportional to 916,846,665.56, 1,265,358,096.06 and 540,588,420.44 is: 746,076,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,846,665.56 : 1,265,358,096.06 = 540,588,420.44 : x
  2. Step 2: Convert to fraction form
    916,846,665.56/1,265,358,096.06 = 540,588,420.44/x
  3. Step 3: Cross multiply
    916,846,665.56x = 1,265,358,096.06 × 540,588,420.44
  4. Step 4: Simplify right side
    916,846,665.56x = 684,037,934,440,041,216
  5. Step 5: Solve for x
    x = 684,037,934,440,041,216/916,846,665.56
  6. Step 6: Final answer
    x = 746,076,699.77

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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.