Home / 1,380,522,921.73-2,071,075,567.98-447,773,329.37

Finding the Fourth Proportional to 1,380,522,921.73, 2,071,075,567.98 and 447,773,329.37

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Solution

The fourth proportional to 1,380,522,921.73, 2,071,075,567.98 and 447,773,329.37 is: 671,754,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,522,921.73 : 2,071,075,567.98 = 447,773,329.37 : x
  2. Step 2: Convert to fraction form
    1,380,522,921.73/2,071,075,567.98 = 447,773,329.37/x
  3. Step 3: Cross multiply
    1,380,522,921.73x = 2,071,075,567.98 × 447,773,329.37
  4. Step 4: Simplify right side
    1,380,522,921.73x = 927,372,402,440,913,024
  5. Step 5: Solve for x
    x = 927,372,402,440,913,024/1,380,522,921.73
  6. Step 6: Final answer
    x = 671,754,440.18

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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.