Finding the Fourth Proportional to 746,798,437.60, 1,120,197,656.40 and 315,920,946.40
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Solution
The fourth proportional to 746,798,437.60, 1,120,197,656.40 and 315,920,946.40 is: 473,881,419.60
Step by Step Solution
- Step 1: Write the proportion equation
746,798,437.60 : 1,120,197,656.40 = 315,920,946.40 : x - Step 2: Convert to fraction form
746,798,437.60/1,120,197,656.40 = 315,920,946.40/x - Step 3: Cross multiply
746,798,437.60x = 1,120,197,656.40 × 315,920,946.40 - Step 4: Simplify right side
746,798,437.60x = 353,893,903,764,950,016 - Step 5: Solve for x
x = 353,893,903,764,950,016/746,798,437.60 - Step 6: Final answer
x = 473,881,419.60
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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.