Finding the Fourth Proportional to 4,584,009,235.60, 6,876,013,853.40 and 1,312,458,439.60
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Solution
The fourth proportional to 4,584,009,235.60, 6,876,013,853.40 and 1,312,458,439.60 is: 1,968,687,659.40
Step by Step Solution
- Step 1: Write the proportion equation
4,584,009,235.60 : 6,876,013,853.40 = 1,312,458,439.60 : x - Step 2: Convert to fraction form
4,584,009,235.60/6,876,013,853.40 = 1,312,458,439.60/x - Step 3: Cross multiply
4,584,009,235.60x = 6,876,013,853.40 × 1,312,458,439.60 - Step 4: Simplify right side
4,584,009,235.60x = 9,024,482,412,701,345,792 - Step 5: Solve for x
x = 9,024,482,412,701,345,792/4,584,009,235.60 - Step 6: Final answer
x = 1,968,687,659.40
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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.