Home / 30,789,895,776.48-42,490,056,159.36-16,708,835,040.48

Finding the Fourth Proportional to 30,789,895,776.48, 42,490,056,159.36 and 16,708,835,040.48

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Solution

The fourth proportional to 30,789,895,776.48, 42,490,056,159.36 and 16,708,835,040.48 is: 23,058,192,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,789,895,776.48 : 42,490,056,159.36 = 16,708,835,040.48 : x
  2. Step 2: Convert to fraction form
    30,789,895,776.48/42,490,056,159.36 = 16,708,835,040.48/x
  3. Step 3: Cross multiply
    30,789,895,776.48x = 42,490,056,159.36 × 16,708,835,040.48
  4. Step 4: Simplify right side
    30,789,895,776.48x = 709,959,339,227,477,442,560
  5. Step 5: Solve for x
    x = 709,959,339,227,477,442,560/30,789,895,776.48
  6. Step 6: Final answer
    x = 23,058,192,349.25

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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.