Finding the Fourth Proportional to 581,807,311.95, 802,911,046.41 and 317,506,329.12
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Solution
The fourth proportional to 581,807,311.95, 802,911,046.41 and 317,506,329.12 is: 438,167,987.44
Step by Step Solution
- Step 1: Write the proportion equation
581,807,311.95 : 802,911,046.41 = 317,506,329.12 : x - Step 2: Convert to fraction form
581,807,311.95/802,911,046.41 = 317,506,329.12/x - Step 3: Cross multiply
581,807,311.95x = 802,911,046.41 × 317,506,329.12 - Step 4: Simplify right side
581,807,311.95x = 254,929,338,955,537,056 - Step 5: Solve for x
x = 254,929,338,955,537,056/581,807,311.95 - Step 6: Final answer
x = 438,167,987.44
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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.