Finding the Fourth Proportional to 746,081,438.82, 1,119,124,257.76 and 286,160,587.62
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Solution
The fourth proportional to 746,081,438.82, 1,119,124,257.76 and 286,160,587.62 is: 429,241,686.71
Step by Step Solution
- Step 1: Write the proportion equation
746,081,438.82 : 1,119,124,257.76 = 286,160,587.62 : x - Step 2: Convert to fraction form
746,081,438.82/1,119,124,257.76 = 286,160,587.62/x - Step 3: Cross multiply
746,081,438.82x = 1,119,124,257.76 × 286,160,587.62 - Step 4: Simplify right side
746,081,438.82x = 320,249,255,220,397,952 - Step 5: Solve for x
x = 320,249,255,220,397,952/746,081,438.82 - Step 6: Final answer
x = 429,241,686.71
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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.