Finding the Fourth Proportional to 746,081,432.82, 1,119,124,248.75 and 286,160,581.62
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Solution
The fourth proportional to 746,081,432.82, 1,119,124,248.75 and 286,160,581.62 is: 429,241,677.70
Step by Step Solution
- Step 1: Write the proportion equation
746,081,432.82 : 1,119,124,248.75 = 286,160,581.62 : x - Step 2: Convert to fraction form
746,081,432.82/1,119,124,248.75 = 286,160,581.62/x - Step 3: Cross multiply
746,081,432.82x = 1,119,124,248.75 × 286,160,581.62 - Step 4: Simplify right side
746,081,432.82x = 320,249,245,927,345,536 - Step 5: Solve for x
x = 320,249,245,927,345,536/746,081,432.82 - Step 6: Final answer
x = 429,241,677.70
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1.5x scale
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.