Finding the Fourth Proportional to 614,552,484.70, 921,828,727.05 and 549,982,403.20
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Solution
The fourth proportional to 614,552,484.70, 921,828,727.05 and 549,982,403.20 is: 824,973,604.80
Step by Step Solution
- Step 1: Write the proportion equation
614,552,484.70 : 921,828,727.05 = 549,982,403.20 : x - Step 2: Convert to fraction form
614,552,484.70/921,828,727.05 = 549,982,403.20/x - Step 3: Cross multiply
614,552,484.70x = 921,828,727.05 × 549,982,403.20 - Step 4: Simplify right side
614,552,484.70x = 506,989,578,641,755,840 - Step 5: Solve for x
x = 506,989,578,641,755,840/614,552,484.70 - Step 6: Final answer
x = 824,973,604.80
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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.