Home / 790,270,240.32-1,090,581,704.94-437,851,782.36

Finding the Fourth Proportional to 790,270,240.32, 1,090,581,704.94 and 437,851,782.36

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Solution

The fourth proportional to 790,270,240.32, 1,090,581,704.94 and 437,851,782.36 is: 604,240,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,270,240.32 : 1,090,581,704.94 = 437,851,782.36 : x
  2. Step 2: Convert to fraction form
    790,270,240.32/1,090,581,704.94 = 437,851,782.36/x
  3. Step 3: Cross multiply
    790,270,240.32x = 1,090,581,704.94 × 437,851,782.36
  4. Step 4: Simplify right side
    790,270,240.32x = 477,513,143,317,186,688
  5. Step 5: Solve for x
    x = 477,513,143,317,186,688/790,270,240.32
  6. Step 6: Final answer
    x = 604,240,320.53

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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.