Finding the Fourth Proportional to 883,063,928.07, 1,218,573,312.48 and 486,564,729.12
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Solution
The fourth proportional to 883,063,928.07, 1,218,573,312.48 and 486,564,729.12 is: 671,429,071.95
Step by Step Solution
- Step 1: Write the proportion equation
883,063,928.07 : 1,218,573,312.48 = 486,564,729.12 : x - Step 2: Convert to fraction form
883,063,928.07/1,218,573,312.48 = 486,564,729.12/x - Step 3: Cross multiply
883,063,928.07x = 1,218,573,312.48 × 486,564,729.12 - Step 4: Simplify right side
883,063,928.07x = 592,914,793,699,692,288 - Step 5: Solve for x
x = 592,914,793,699,692,288/883,063,928.07 - Step 6: Final answer
x = 671,429,071.95
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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.