Home / 851,810,976.99-1,175,510,569.65-480,531,860.19

Finding the Fourth Proportional to 851,810,976.99, 1,175,510,569.65 and 480,531,860.19

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Solution

The fourth proportional to 851,810,976.99, 1,175,510,569.65 and 480,531,860.19 is: 663,140,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,810,976.99 : 1,175,510,569.65 = 480,531,860.19 : x
  2. Step 2: Convert to fraction form
    851,810,976.99/1,175,510,569.65 = 480,531,860.19/x
  3. Step 3: Cross multiply
    851,810,976.99x = 1,175,510,569.65 × 480,531,860.19
  4. Step 4: Simplify right side
    851,810,976.99x = 564,870,280,706,921,088
  5. Step 5: Solve for x
    x = 564,870,280,706,921,088/851,810,976.99
  6. Step 6: Final answer
    x = 663,140,410.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.