Home / 1,161,118,168.88-1,602,297,758.21-709,751,811.92

Finding the Fourth Proportional to 1,161,118,168.88, 1,602,297,758.21 and 709,751,811.92

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Solution

The fourth proportional to 1,161,118,168.88, 1,602,297,758.21 and 709,751,811.92 is: 979,429,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,118,168.88 : 1,602,297,758.21 = 709,751,811.92 : x
  2. Step 2: Convert to fraction form
    1,161,118,168.88/1,602,297,758.21 = 709,751,811.92/x
  3. Step 3: Cross multiply
    1,161,118,168.88x = 1,602,297,758.21 × 709,751,811.92
  4. Step 4: Simplify right side
    1,161,118,168.88x = 1,137,233,737,113,341,184
  5. Step 5: Solve for x
    x = 1,137,233,737,113,341,184/1,161,118,168.88
  6. Step 6: Final answer
    x = 979,429,801.03

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1.5x scale

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.