Finding the Fourth Proportional to 559,866,128.58, 772,905,713.45 and 408,989,372.58
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Solution
The fourth proportional to 559,866,128.58, 772,905,713.45 and 408,989,372.58 is: 564,617,515.99
Step by Step Solution
- Step 1: Write the proportion equation
559,866,128.58 : 772,905,713.45 = 408,989,372.58 : x - Step 2: Convert to fraction form
559,866,128.58/772,905,713.45 = 408,989,372.58/x - Step 3: Cross multiply
559,866,128.58x = 772,905,713.45 × 408,989,372.58 - Step 4: Simplify right side
559,866,128.58x = 316,110,222,805,367,808 - Step 5: Solve for x
x = 316,110,222,805,367,808/559,866,128.58 - Step 6: Final answer
x = 564,617,515.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.