Finding the Fourth Proportional to 7,518,439,281.28, 10,374,838,887.36 and 4,346,827,625.92
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Solution
The fourth proportional to 7,518,439,281.28, 10,374,838,887.36 and 4,346,827,625.92 is: 5,998,270,997.86
Step by Step Solution
- Step 1: Write the proportion equation
7,518,439,281.28 : 10,374,838,887.36 = 4,346,827,625.92 : x - Step 2: Convert to fraction form
7,518,439,281.28/10,374,838,887.36 = 4,346,827,625.92/x - Step 3: Cross multiply
7,518,439,281.28x = 10,374,838,887.36 × 4,346,827,625.92 - Step 4: Simplify right side
7,518,439,281.28x = 45,097,636,290,045,566,976 - Step 5: Solve for x
x = 45,097,636,290,045,566,976/7,518,439,281.28 - Step 6: Final answer
x = 5,998,270,997.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.