Finding the Fourth Proportional to 737,955,709.84, 1,018,390,985.04 and 440,623,931.68
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Solution
The fourth proportional to 737,955,709.84, 1,018,390,985.04 and 440,623,931.68 is: 608,068,253.73
Step by Step Solution
- Step 1: Write the proportion equation
737,955,709.84 : 1,018,390,985.04 = 440,623,931.68 : x - Step 2: Convert to fraction form
737,955,709.84/1,018,390,985.04 = 440,623,931.68/x - Step 3: Cross multiply
737,955,709.84x = 1,018,390,985.04 × 440,623,931.68 - Step 4: Simplify right side
737,955,709.84x = 448,727,439,815,792,832 - Step 5: Solve for x
x = 448,727,439,815,792,832/737,955,709.84 - Step 6: Final answer
x = 608,068,253.73
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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.