Home / 867,847,442.31-1,197,609,101.04-510,638,355.39

Finding the Fourth Proportional to 867,847,442.31, 1,197,609,101.04 and 510,638,355.39

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Solution

The fourth proportional to 867,847,442.31, 1,197,609,101.04 and 510,638,355.39 is: 704,668,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,847,442.31 : 1,197,609,101.04 = 510,638,355.39 : x
  2. Step 2: Convert to fraction form
    867,847,442.31/1,197,609,101.04 = 510,638,355.39/x
  3. Step 3: Cross multiply
    867,847,442.31x = 1,197,609,101.04 × 510,638,355.39
  4. Step 4: Simplify right side
    867,847,442.31x = 611,545,141,755,161,856
  5. Step 5: Solve for x
    x = 611,545,141,755,161,856/867,847,442.31
  6. Step 6: Final answer
    x = 704,668,945.19

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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.