Finding the Fourth Proportional to 778,813,823.08, 1,168,376,624 and 287,530,079.68
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Solution
The fourth proportional to 778,813,823.08, 1,168,376,624 and 287,530,079.68 is: 431,352,672.28
Step by Step Solution
- Step 1: Write the proportion equation
778,813,823.08 : 1,168,376,624 = 287,530,079.68 : x - Step 2: Convert to fraction form
778,813,823.08/1,168,376,624 = 287,530,079.68/x - Step 3: Cross multiply
778,813,823.08x = 1,168,376,624 × 287,530,079.68 - Step 4: Simplify right side
778,813,823.08x = 335,943,423,794,969,408 - Step 5: Solve for x
x = 335,943,423,794,969,408/778,813,823.08 - Step 6: Final answer
x = 431,352,672.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.