Finding the Fourth Proportional to 595,657,487.80, 893,486,231.70 and 442,602,479.80
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Solution
The fourth proportional to 595,657,487.80, 893,486,231.70 and 442,602,479.80 is: 663,903,719.70
Step by Step Solution
- Step 1: Write the proportion equation
595,657,487.80 : 893,486,231.70 = 442,602,479.80 : x - Step 2: Convert to fraction form
595,657,487.80/893,486,231.70 = 442,602,479.80/x - Step 3: Cross multiply
595,657,487.80x = 893,486,231.70 × 442,602,479.80 - Step 4: Simplify right side
595,657,487.80x = 395,459,221,817,577,408 - Step 5: Solve for x
x = 395,459,221,817,577,408/595,657,487.80 - Step 6: Final answer
x = 663,903,719.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.