Finding the Fourth Proportional to 746,630,267.58, 1,119,999,209.76 and 286,568,436.90
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Solution
The fourth proportional to 746,630,267.58, 1,119,999,209.76 and 286,568,436.90 is: 429,873,307.86
Step by Step Solution
- Step 1: Write the proportion equation
746,630,267.58 : 1,119,999,209.76 = 286,568,436.90 : x - Step 2: Convert to fraction form
746,630,267.58/1,119,999,209.76 = 286,568,436.90/x - Step 3: Cross multiply
746,630,267.58x = 1,119,999,209.76 × 286,568,436.90 - Step 4: Simplify right side
746,630,267.58x = 320,956,422,870,158,400 - Step 5: Solve for x
x = 320,956,422,870,158,400/746,630,267.58 - Step 6: Final answer
x = 429,873,307.86
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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.