Home / 471,443,428,483.86-650,712,980,319.54-307,054,589,756.78

Finding the Fourth Proportional to 471,443,428,483.86, 650,712,980,319.54 and 307,054,589,756.78

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Solution

The fourth proportional to 471,443,428,483.86, 650,712,980,319.54 and 307,054,589,756.78 is: 423,814,173,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,443,428,483.86 : 650,712,980,319.54 = 307,054,589,756.78 : x
  2. Step 2: Convert to fraction form
    471,443,428,483.86/650,712,980,319.54 = 307,054,589,756.78/x
  3. Step 3: Cross multiply
    471,443,428,483.86x = 650,712,980,319.54 × 307,054,589,756.78
  4. Step 4: Simplify right side
    471,443,428,483.86x = 199,804,407,221,428,045,217,792
  5. Step 5: Solve for x
    x = 199,804,407,221,428,045,217,792/471,443,428,483.86
  6. Step 6: Final answer
    x = 423,814,173,980.51

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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.