Home / 875,177,189.17-1,312,768,007.21-357,607,630.33

Finding the Fourth Proportional to 875,177,189.17, 1,312,768,007.21 and 357,607,630.33

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Solution

The fourth proportional to 875,177,189.17, 1,312,768,007.21 and 357,607,630.33 is: 536,412,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,177,189.17 : 1,312,768,007.21 = 357,607,630.33 : x
  2. Step 2: Convert to fraction form
    875,177,189.17/1,312,768,007.21 = 357,607,630.33/x
  3. Step 3: Cross multiply
    875,177,189.17x = 1,312,768,007.21 × 357,607,630.33
  4. Step 4: Simplify right side
    875,177,189.17x = 469,455,856,231,404,416
  5. Step 5: Solve for x
    x = 469,455,856,231,404,416/875,177,189.17
  6. Step 6: Final answer
    x = 536,412,354.02

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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.