Finding the Fourth Proportional to 7,243,346,737.60, 10,865,020,106.40 and 4,901,605,115.20
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Solution
The fourth proportional to 7,243,346,737.60, 10,865,020,106.40 and 4,901,605,115.20 is: 7,352,407,672.80
Step by Step Solution
- Step 1: Write the proportion equation
7,243,346,737.60 : 10,865,020,106.40 = 4,901,605,115.20 : x - Step 2: Convert to fraction form
7,243,346,737.60/10,865,020,106.40 = 4,901,605,115.20/x - Step 3: Cross multiply
7,243,346,737.60x = 10,865,020,106.40 × 4,901,605,115.20 - Step 4: Simplify right side
7,243,346,737.60x = 53,256,038,130,281,086,976 - Step 5: Solve for x
x = 53,256,038,130,281,086,976/7,243,346,737.60 - Step 6: Final answer
x = 7,352,407,672.80
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Double scale
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Similar ratio
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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.