Home / 651,313,237.12-976,964,879.04-166,638,267.52

Finding the Fourth Proportional to 651,313,237.12, 976,964,879.04 and 166,638,267.52

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Solution

The fourth proportional to 651,313,237.12, 976,964,879.04 and 166,638,267.52 is: 249,956,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,313,237.12 : 976,964,879.04 = 166,638,267.52 : x
  2. Step 2: Convert to fraction form
    651,313,237.12/976,964,879.04 = 166,638,267.52/x
  3. Step 3: Cross multiply
    651,313,237.12x = 976,964,879.04 × 166,638,267.52
  4. Step 4: Simplify right side
    651,313,237.12x = 162,799,734,871,111,968
  5. Step 5: Solve for x
    x = 162,799,734,871,111,968/651,313,237.12
  6. Step 6: Final answer
    x = 249,956,128.01

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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.