Finding the Fourth Proportional to 581,625,411.80, 802,645,671.68 and 317,306,603.84
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Solution
The fourth proportional to 581,625,411.80, 802,645,671.68 and 317,306,603.84 is: 437,884,533.59
Step by Step Solution
- Step 1: Write the proportion equation
581,625,411.80 : 802,645,671.68 = 317,306,603.84 : x - Step 2: Convert to fraction form
581,625,411.80/802,645,671.68 = 317,306,603.84/x - Step 3: Cross multiply
581,625,411.80x = 802,645,671.68 × 317,306,603.84 - Step 4: Simplify right side
581,625,411.80x = 254,684,772,167,656,416 - Step 5: Solve for x
x = 254,684,772,167,656,416/581,625,411.80 - Step 6: Final answer
x = 437,884,533.59
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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.