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Finding the Fourth Proportional to 535,892,471.21, 803,749,549.01 and 162,311,536.77

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Solution

The fourth proportional to 535,892,471.21, 803,749,549.01 and 162,311,536.77 is: 243,440,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,892,471.21 : 803,749,549.01 = 162,311,536.77 : x
  2. Step 2: Convert to fraction form
    535,892,471.21/803,749,549.01 = 162,311,536.77/x
  3. Step 3: Cross multiply
    535,892,471.21x = 803,749,549.01 × 162,311,536.77
  4. Step 4: Simplify right side
    535,892,471.21x = 130,457,824,473,988,768
  5. Step 5: Solve for x
    x = 130,457,824,473,988,768/535,892,471.21
  6. Step 6: Final answer
    x = 243,440,300.96

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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.