Home / 620,525,512.76-856,331,113.26-342,077,023.16

Finding the Fourth Proportional to 620,525,512.76, 856,331,113.26 and 342,077,023.16

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Solution

The fourth proportional to 620,525,512.76, 856,331,113.26 and 342,077,023.16 is: 472,069,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,525,512.76 : 856,331,113.26 = 342,077,023.16 : x
  2. Step 2: Convert to fraction form
    620,525,512.76/856,331,113.26 = 342,077,023.16/x
  3. Step 3: Cross multiply
    620,525,512.76x = 856,331,113.26 × 342,077,023.16
  4. Step 4: Simplify right side
    620,525,512.76x = 292,931,198,063,269,632
  5. Step 5: Solve for x
    x = 292,931,198,063,269,632/620,525,512.76
  6. Step 6: Final answer
    x = 472,069,547.57

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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.