Home / 867,847,443.31-1,197,609,102.42-510,638,356.39

Finding the Fourth Proportional to 867,847,443.31, 1,197,609,102.42 and 510,638,356.39

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Solution

The fourth proportional to 867,847,443.31, 1,197,609,102.42 and 510,638,356.39 is: 704,668,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,847,443.31 : 1,197,609,102.42 = 510,638,356.39 : x
  2. Step 2: Convert to fraction form
    867,847,443.31/1,197,609,102.42 = 510,638,356.39/x
  3. Step 3: Cross multiply
    867,847,443.31x = 1,197,609,102.42 × 510,638,356.39
  4. Step 4: Simplify right side
    867,847,443.31x = 611,545,143,657,452,032
  5. Step 5: Solve for x
    x = 611,545,143,657,452,032/867,847,443.31
  6. Step 6: Final answer
    x = 704,668,946.57

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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.