Home / 1,440,032,058.80-2,160,032,341.74-349,515,126.80

Finding the Fourth Proportional to 1,440,032,058.80, 2,160,032,341.74 and 349,515,126.80

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Solution

The fourth proportional to 1,440,032,058.80, 2,160,032,341.74 and 349,515,126.80 is: 524,268,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,032,058.80 : 2,160,032,341.74 = 349,515,126.80 : x
  2. Step 2: Convert to fraction form
    1,440,032,058.80/2,160,032,341.74 = 349,515,126.80/x
  3. Step 3: Cross multiply
    1,440,032,058.80x = 2,160,032,341.74 × 349,515,126.80
  4. Step 4: Simplify right side
    1,440,032,058.80x = 754,963,977,815,356,928
  5. Step 5: Solve for x
    x = 754,963,977,815,356,928/1,440,032,058.80
  6. Step 6: Final answer
    x = 524,268,868.32

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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.