Home / 659,380,316.72-909,899,319.16-366,001,790

Finding the Fourth Proportional to 659,380,316.72, 909,899,319.16 and 366,001,790

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Solution

The fourth proportional to 659,380,316.72, 909,899,319.16 and 366,001,790 is: 505,057,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,380,316.72 : 909,899,319.16 = 366,001,790 : x
  2. Step 2: Convert to fraction form
    659,380,316.72/909,899,319.16 = 366,001,790/x
  3. Step 3: Cross multiply
    659,380,316.72x = 909,899,319.16 × 366,001,790
  4. Step 4: Simplify right side
    659,380,316.72x = 333,024,779,532,341,312
  5. Step 5: Solve for x
    x = 333,024,779,532,341,312/659,380,316.72
  6. Step 6: Final answer
    x = 505,057,204.60

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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.