Finding the Fourth Proportional to 737,447,989.62, 1,017,666,186.80 and 402,913,312.68
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Solution
The fourth proportional to 737,447,989.62, 1,017,666,186.80 and 402,913,312.68 is: 556,013,793.92
Step by Step Solution
- Step 1: Write the proportion equation
737,447,989.62 : 1,017,666,186.80 = 402,913,312.68 : x - Step 2: Convert to fraction form
737,447,989.62/1,017,666,186.80 = 402,913,312.68/x - Step 3: Cross multiply
737,447,989.62x = 1,017,666,186.80 × 402,913,312.68 - Step 4: Simplify right side
737,447,989.62x = 410,031,254,526,011,648 - Step 5: Solve for x
x = 410,031,254,526,011,648/737,447,989.62 - Step 6: Final answer
x = 556,013,793.92
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1.5x scale
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.