Home / 620,525,501.76-856,331,098.08-342,077,012.16

Finding the Fourth Proportional to 620,525,501.76, 856,331,098.08 and 342,077,012.16

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Solution

The fourth proportional to 620,525,501.76, 856,331,098.08 and 342,077,012.16 is: 472,069,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,525,501.76 : 856,331,098.08 = 342,077,012.16 : x
  2. Step 2: Convert to fraction form
    620,525,501.76/856,331,098.08 = 342,077,012.16/x
  3. Step 3: Cross multiply
    620,525,501.76x = 856,331,098.08 × 342,077,012.16
  4. Step 4: Simplify right side
    620,525,501.76x = 292,931,183,450,898,368
  5. Step 5: Solve for x
    x = 292,931,183,450,898,368/620,525,501.76
  6. Step 6: Final answer
    x = 472,069,532.39

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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.