Home / 807,051,852.80-1,210,223,485.20-370,207,350.80

Finding the Fourth Proportional to 807,051,852.80, 1,210,223,485.20 and 370,207,350.80

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Solution

The fourth proportional to 807,051,852.80, 1,210,223,485.20 and 370,207,350.80 is: 555,148,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,051,852.80 : 1,210,223,485.20 = 370,207,350.80 : x
  2. Step 2: Convert to fraction form
    807,051,852.80/1,210,223,485.20 = 370,207,350.80/x
  3. Step 3: Cross multiply
    807,051,852.80x = 1,210,223,485.20 × 370,207,350.80
  4. Step 4: Simplify right side
    807,051,852.80x = 448,033,630,331,835,072
  5. Step 5: Solve for x
    x = 448,033,630,331,835,072/807,051,852.80
  6. Step 6: Final answer
    x = 555,148,505.98

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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.