Home / 511,085,336.20-766,628,004.30-166,050,219.40

Finding the Fourth Proportional to 511,085,336.20, 766,628,004.30 and 166,050,219.40

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Solution

The fourth proportional to 511,085,336.20, 766,628,004.30 and 166,050,219.40 is: 249,075,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,085,336.20 : 766,628,004.30 = 166,050,219.40 : x
  2. Step 2: Convert to fraction form
    511,085,336.20/766,628,004.30 = 166,050,219.40/x
  3. Step 3: Cross multiply
    511,085,336.20x = 766,628,004.30 × 166,050,219.40
  4. Step 4: Simplify right side
    511,085,336.20x = 127,298,748,312,199,136
  5. Step 5: Solve for x
    x = 127,298,748,312,199,136/511,085,336.20
  6. Step 6: Final answer
    x = 249,075,329.10

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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.