Finding the Fourth Proportional to 976,787,714.70, 1,465,181,572.05 and 249,776,426.70
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Solution
The fourth proportional to 976,787,714.70, 1,465,181,572.05 and 249,776,426.70 is: 374,664,640.05
Step by Step Solution
- Step 1: Write the proportion equation
976,787,714.70 : 1,465,181,572.05 = 249,776,426.70 : x - Step 2: Convert to fraction form
976,787,714.70/1,465,181,572.05 = 249,776,426.70/x - Step 3: Cross multiply
976,787,714.70x = 1,465,181,572.05 × 249,776,426.70 - Step 4: Simplify right side
976,787,714.70x = 365,967,817,533,337,536 - Step 5: Solve for x
x = 365,967,817,533,337,536/976,787,714.70 - Step 6: Final answer
x = 374,664,640.05
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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.