Home / 571,153,085.64-856,729,911.96-377,019,128.52

Finding the Fourth Proportional to 571,153,085.64, 856,729,911.96 and 377,019,128.52

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Solution

The fourth proportional to 571,153,085.64, 856,729,911.96 and 377,019,128.52 is: 565,528,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,153,085.64 : 856,729,911.96 = 377,019,128.52 : x
  2. Step 2: Convert to fraction form
    571,153,085.64/856,729,911.96 = 377,019,128.52/x
  3. Step 3: Cross multiply
    571,153,085.64x = 856,729,911.96 × 377,019,128.52
  4. Step 4: Simplify right side
    571,153,085.64x = 323,003,564,784,175,552
  5. Step 5: Solve for x
    x = 323,003,564,784,175,552/571,153,085.64
  6. Step 6: Final answer
    x = 565,528,879.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.