Finding the Fourth Proportional to 473,886,149.80, 710,829,224.70 and 215,605,823.80
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Solution
The fourth proportional to 473,886,149.80, 710,829,224.70 and 215,605,823.80 is: 323,408,735.70
Step by Step Solution
- Step 1: Write the proportion equation
473,886,149.80 : 710,829,224.70 = 215,605,823.80 : x - Step 2: Convert to fraction form
473,886,149.80/710,829,224.70 = 215,605,823.80/x - Step 3: Cross multiply
473,886,149.80x = 710,829,224.70 × 215,605,823.80 - Step 4: Simplify right side
473,886,149.80x = 153,258,920,572,558,816 - Step 5: Solve for x
x = 153,258,920,572,558,816/473,886,149.80 - Step 6: Final answer
x = 323,408,735.70
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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.