Home / 511,085,337.20-766,628,005.80-166,050,220.40

Finding the Fourth Proportional to 511,085,337.20, 766,628,005.80 and 166,050,220.40

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Solution

The fourth proportional to 511,085,337.20, 766,628,005.80 and 166,050,220.40 is: 249,075,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,085,337.20 : 766,628,005.80 = 166,050,220.40 : x
  2. Step 2: Convert to fraction form
    511,085,337.20/766,628,005.80 = 166,050,220.40/x
  3. Step 3: Cross multiply
    511,085,337.20x = 766,628,005.80 × 166,050,220.40
  4. Step 4: Simplify right side
    511,085,337.20x = 127,298,749,327,902,480
  5. Step 5: Solve for x
    x = 127,298,749,327,902,480/511,085,337.20
  6. Step 6: Final answer
    x = 249,075,330.60

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1.5x scale

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.