Finding the Fourth Proportional to 3,909,029,663.20, 5,863,544,494.80 and 2,358,072,248.80
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Solution
The fourth proportional to 3,909,029,663.20, 5,863,544,494.80 and 2,358,072,248.80 is: 3,537,108,373.20
Step by Step Solution
- Step 1: Write the proportion equation
3,909,029,663.20 : 5,863,544,494.80 = 2,358,072,248.80 : x - Step 2: Convert to fraction form
3,909,029,663.20/5,863,544,494.80 = 2,358,072,248.80/x - Step 3: Cross multiply
3,909,029,663.20x = 5,863,544,494.80 × 2,358,072,248.80 - Step 4: Simplify right side
3,909,029,663.20x = 13,826,661,552,791,898,112 - Step 5: Solve for x
x = 13,826,661,552,791,898,112/3,909,029,663.20 - Step 6: Final answer
x = 3,537,108,373.20
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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.