Finding the Fourth Proportional to 722,636,597.62, 997,238,504.68 and 409,370,811.58
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Solution
The fourth proportional to 722,636,597.62, 997,238,504.68 and 409,370,811.58 is: 564,931,719.96
Step by Step Solution
- Step 1: Write the proportion equation
722,636,597.62 : 997,238,504.68 = 409,370,811.58 : x - Step 2: Convert to fraction form
722,636,597.62/997,238,504.68 = 409,370,811.58/x - Step 3: Cross multiply
722,636,597.62x = 997,238,504.68 × 409,370,811.58 - Step 4: Simplify right side
722,636,597.62x = 408,240,335,999,677,184 - Step 5: Solve for x
x = 408,240,335,999,677,184/722,636,597.62 - Step 6: Final answer
x = 564,931,719.96
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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.