Home / 620,573,426.26-856,397,927.73-342,124,914.31

Finding the Fourth Proportional to 620,573,426.26, 856,397,927.73 and 342,124,914.31

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Solution

The fourth proportional to 620,573,426.26, 856,397,927.73 and 342,124,914.31 is: 472,136,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,573,426.26 : 856,397,927.73 = 342,124,914.31 : x
  2. Step 2: Convert to fraction form
    620,573,426.26/856,397,927.73 = 342,124,914.31/x
  3. Step 3: Cross multiply
    620,573,426.26x = 856,397,927.73 × 342,124,914.31
  4. Step 4: Simplify right side
    620,573,426.26x = 292,995,067,639,887,808
  5. Step 5: Solve for x
    x = 292,995,067,639,887,808/620,573,426.26
  6. Step 6: Final answer
    x = 472,136,020.08

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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.