Home / 831,521,613.96-1,147,485,937.86-460,235,673.72

Finding the Fourth Proportional to 831,521,613.96, 1,147,485,937.86 and 460,235,673.72

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Solution

The fourth proportional to 831,521,613.96, 1,147,485,937.86 and 460,235,673.72 is: 635,117,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,521,613.96 : 1,147,485,937.86 = 460,235,673.72 : x
  2. Step 2: Convert to fraction form
    831,521,613.96/1,147,485,937.86 = 460,235,673.72/x
  3. Step 3: Cross multiply
    831,521,613.96x = 1,147,485,937.86 × 460,235,673.72
  4. Step 4: Simplify right side
    831,521,613.96x = 528,113,963,695,223,168
  5. Step 5: Solve for x
    x = 528,113,963,695,223,168/831,521,613.96
  6. Step 6: Final answer
    x = 635,117,542.14

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1.5x scale

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.