Home / 779,505,138.32-1,075,580,369.88-444,824,854.16

Finding the Fourth Proportional to 779,505,138.32, 1,075,580,369.88 and 444,824,854.16

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Solution

The fourth proportional to 779,505,138.32, 1,075,580,369.88 and 444,824,854.16 is: 613,780,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,505,138.32 : 1,075,580,369.88 = 444,824,854.16 : x
  2. Step 2: Convert to fraction form
    779,505,138.32/1,075,580,369.88 = 444,824,854.16/x
  3. Step 3: Cross multiply
    779,505,138.32x = 1,075,580,369.88 × 444,824,854.16
  4. Step 4: Simplify right side
    779,505,138.32x = 478,444,881,169,229,952
  5. Step 5: Solve for x
    x = 478,444,881,169,229,952/779,505,138.32
  6. Step 6: Final answer
    x = 613,780,278.86

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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.