Home / 525,786,980.02-721,786,482.91-451,318,256.46

Finding the Fourth Proportional to 525,786,980.02, 721,786,482.91 and 451,318,256.46

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Solution

The fourth proportional to 525,786,980.02, 721,786,482.91 and 451,318,256.46 is: 619,557,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,786,980.02 : 721,786,482.91 = 451,318,256.46 : x
  2. Step 2: Convert to fraction form
    525,786,980.02/721,786,482.91 = 451,318,256.46/x
  3. Step 3: Cross multiply
    525,786,980.02x = 721,786,482.91 × 451,318,256.46
  4. Step 4: Simplify right side
    525,786,980.02x = 325,755,416,997,471,232
  5. Step 5: Solve for x
    x = 325,755,416,997,471,232/525,786,980.02
  6. Step 6: Final answer
    x = 619,557,785.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.