Home / 802,752,050.40-1,204,128,075.60-257,548,696.80

Finding the Fourth Proportional to 802,752,050.40, 1,204,128,075.60 and 257,548,696.80

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Solution

The fourth proportional to 802,752,050.40, 1,204,128,075.60 and 257,548,696.80 is: 386,323,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,752,050.40 : 1,204,128,075.60 = 257,548,696.80 : x
  2. Step 2: Convert to fraction form
    802,752,050.40/1,204,128,075.60 = 257,548,696.80/x
  3. Step 3: Cross multiply
    802,752,050.40x = 1,204,128,075.60 × 257,548,696.80
  4. Step 4: Simplify right side
    802,752,050.40x = 310,121,616,651,071,872
  5. Step 5: Solve for x
    x = 310,121,616,651,071,872/802,752,050.40
  6. Step 6: Final answer
    x = 386,323,045.20

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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.