Finding the Fourth Proportional to 7,243,344,246.90, 10,865,016,370.35 and 5,039,352,131.70
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Solution
The fourth proportional to 7,243,344,246.90, 10,865,016,370.35 and 5,039,352,131.70 is: 7,559,028,197.55
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,246.90 : 10,865,016,370.35 = 5,039,352,131.70 : x - Step 2: Convert to fraction form
7,243,344,246.90/10,865,016,370.35 = 5,039,352,131.70/x - Step 3: Cross multiply
7,243,344,246.90x = 10,865,016,370.35 × 5,039,352,131.70 - Step 4: Simplify right side
7,243,344,246.90x = 54,752,643,406,878,670,848 - Step 5: Solve for x
x = 54,752,643,406,878,670,848/7,243,344,246.90 - Step 6: Final answer
x = 7,559,028,197.55
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Double scale
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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.