Home / 976,202,022.83-1,463,712,968.58-393,255,421.86

Finding the Fourth Proportional to 976,202,022.83, 1,463,712,968.58 and 393,255,421.86

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Solution

The fourth proportional to 976,202,022.83, 1,463,712,968.58 and 393,255,421.86 is: 589,645,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,202,022.83 : 1,463,712,968.58 = 393,255,421.86 : x
  2. Step 2: Convert to fraction form
    976,202,022.83/1,463,712,968.58 = 393,255,421.86/x
  3. Step 3: Cross multiply
    976,202,022.83x = 1,463,712,968.58 × 393,255,421.86
  4. Step 4: Simplify right side
    976,202,022.83x = 575,613,060,936,634,688
  5. Step 5: Solve for x
    x = 575,613,060,936,634,688/976,202,022.83
  6. Step 6: Final answer
    x = 589,645,429.41

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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.