Finding the Fourth Proportional to 963,078,257.30, 1,329,129,962.97 and 545,464,833.62
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Solution
The fourth proportional to 963,078,257.30, 1,329,129,962.97 and 545,464,833.62 is: 752,787,895.08
Step by Step Solution
- Step 1: Write the proportion equation
963,078,257.30 : 1,329,129,962.97 = 545,464,833.62 : x - Step 2: Convert to fraction form
963,078,257.30/1,329,129,962.97 = 545,464,833.62/x - Step 3: Cross multiply
963,078,257.30x = 1,329,129,962.97 × 545,464,833.62 - Step 4: Simplify right side
963,078,257.30x = 724,993,654,110,787,840 - Step 5: Solve for x
x = 724,993,654,110,787,840/963,078,257.30 - Step 6: Final answer
x = 752,787,895.08
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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.