Home / 1,466,118,698.40-2,199,178,047.60-431,084,206.80

Finding the Fourth Proportional to 1,466,118,698.40, 2,199,178,047.60 and 431,084,206.80

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Solution

The fourth proportional to 1,466,118,698.40, 2,199,178,047.60 and 431,084,206.80 is: 646,626,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,118,698.40 : 2,199,178,047.60 = 431,084,206.80 : x
  2. Step 2: Convert to fraction form
    1,466,118,698.40/2,199,178,047.60 = 431,084,206.80/x
  3. Step 3: Cross multiply
    1,466,118,698.40x = 2,199,178,047.60 × 431,084,206.80
  4. Step 4: Simplify right side
    1,466,118,698.40x = 948,030,924,261,618,688
  5. Step 5: Solve for x
    x = 948,030,924,261,618,688/1,466,118,698.40
  6. Step 6: Final answer
    x = 646,626,310.20

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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.