Home / 620,573,424.51-856,397,925.32-342,124,912.56

Finding the Fourth Proportional to 620,573,424.51, 856,397,925.32 and 342,124,912.56

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Solution

The fourth proportional to 620,573,424.51, 856,397,925.32 and 342,124,912.56 is: 472,136,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,573,424.51 : 856,397,925.32 = 342,124,912.56 : x
  2. Step 2: Convert to fraction form
    620,573,424.51/856,397,925.32 = 342,124,912.56/x
  3. Step 3: Cross multiply
    620,573,424.51x = 856,397,925.32 × 342,124,912.56
  4. Step 4: Simplify right side
    620,573,424.51x = 292,995,065,314,959,808
  5. Step 5: Solve for x
    x = 292,995,065,314,959,808/620,573,424.51
  6. Step 6: Final answer
    x = 472,136,017.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.