Home / 807,051,966.80-1,210,223,656.20-370,207,464.80

Finding the Fourth Proportional to 807,051,966.80, 1,210,223,656.20 and 370,207,464.80

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Solution

The fourth proportional to 807,051,966.80, 1,210,223,656.20 and 370,207,464.80 is: 555,148,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,051,966.80 : 1,210,223,656.20 = 370,207,464.80 : x
  2. Step 2: Convert to fraction form
    807,051,966.80/1,210,223,656.20 = 370,207,464.80/x
  3. Step 3: Cross multiply
    807,051,966.80x = 1,210,223,656.20 × 370,207,464.80
  4. Step 4: Simplify right side
    807,051,966.80x = 448,033,831,602,788,864
  5. Step 5: Solve for x
    x = 448,033,831,602,788,864/807,051,966.80
  6. Step 6: Final answer
    x = 555,148,676.95

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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.