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Finding the Fourth Proportional to 581,884,748.34, 803,019,689.37 and 330,982,709.10

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Solution

The fourth proportional to 581,884,748.34, 803,019,689.37 and 330,982,709.10 is: 456,766,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,884,748.34 : 803,019,689.37 = 330,982,709.10 : x
  2. Step 2: Convert to fraction form
    581,884,748.34/803,019,689.37 = 330,982,709.10/x
  3. Step 3: Cross multiply
    581,884,748.34x = 803,019,689.37 × 330,982,709.10
  4. Step 4: Simplify right side
    581,884,748.34x = 265,785,632,248,323,104
  5. Step 5: Solve for x
    x = 265,785,632,248,323,104/581,884,748.34
  6. Step 6: Final answer
    x = 456,766,796.19

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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.