Home / 511,110,020.40-766,476,073.80-166,074,903.60

Finding the Fourth Proportional to 511,110,020.40, 766,476,073.80 and 166,074,903.60

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Solution

The fourth proportional to 511,110,020.40, 766,476,073.80 and 166,074,903.60 is: 249,050,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,110,020.40 : 766,476,073.80 = 166,074,903.60 : x
  2. Step 2: Convert to fraction form
    511,110,020.40/766,476,073.80 = 166,074,903.60/x
  3. Step 3: Cross multiply
    511,110,020.40x = 766,476,073.80 × 166,074,903.60
  4. Step 4: Simplify right side
    511,110,020.40x = 127,292,440,068,041,472
  5. Step 5: Solve for x
    x = 127,292,440,068,041,472/511,110,020.40
  6. Step 6: Final answer
    x = 249,050,957.69

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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.