Home / 1,075,751,931.81-1,485,223,102.97-877,985,168.65

Finding the Fourth Proportional to 1,075,751,931.81, 1,485,223,102.97 and 877,985,168.65

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Solution

The fourth proportional to 1,075,751,931.81, 1,485,223,102.97 and 877,985,168.65 is: 1,212,178,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,751,931.81 : 1,485,223,102.97 = 877,985,168.65 : x
  2. Step 2: Convert to fraction form
    1,075,751,931.81/1,485,223,102.97 = 877,985,168.65/x
  3. Step 3: Cross multiply
    1,075,751,931.81x = 1,485,223,102.97 × 877,985,168.65
  4. Step 4: Simplify right side
    1,075,751,931.81x = 1,304,003,856,539,601,664
  5. Step 5: Solve for x
    x = 1,304,003,856,539,601,664/1,075,751,931.81
  6. Step 6: Final answer
    x = 1,212,178,958.72

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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.