Home / 476,424,009.40-714,636,014.10-169,726,127.80

Finding the Fourth Proportional to 476,424,009.40, 714,636,014.10 and 169,726,127.80

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Solution

The fourth proportional to 476,424,009.40, 714,636,014.10 and 169,726,127.80 is: 254,589,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,424,009.40 : 714,636,014.10 = 169,726,127.80 : x
  2. Step 2: Convert to fraction form
    476,424,009.40/714,636,014.10 = 169,726,127.80/x
  3. Step 3: Cross multiply
    476,424,009.40x = 714,636,014.10 × 169,726,127.80
  4. Step 4: Simplify right side
    476,424,009.40x = 121,292,403,459,619,216
  5. Step 5: Solve for x
    x = 121,292,403,459,619,216/476,424,009.40
  6. Step 6: Final answer
    x = 254,589,191.70

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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.