Home / 658,075,515.40-987,103,308.67-160,090,719.26

Finding the Fourth Proportional to 658,075,515.40, 987,103,308.67 and 160,090,719.26

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Solution

The fourth proportional to 658,075,515.40, 987,103,308.67 and 160,090,719.26 is: 240,133,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,075,515.40 : 987,103,308.67 = 160,090,719.26 : x
  2. Step 2: Convert to fraction form
    658,075,515.40/987,103,308.67 = 160,090,719.26/x
  3. Step 3: Cross multiply
    658,075,515.40x = 987,103,308.67 × 160,090,719.26
  4. Step 4: Simplify right side
    658,075,515.40x = 158,026,078,670,973,632
  5. Step 5: Solve for x
    x = 158,026,078,670,973,632/658,075,515.40
  6. Step 6: Final answer
    x = 240,133,654.84

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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.