Finding the Fourth Proportional to 615,173,680.26, 848,947,652.55 and 336,709,225.08
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Solution
The fourth proportional to 615,173,680.26, 848,947,652.55 and 336,709,225.08 is: 464,663,094.99
Step by Step Solution
- Step 1: Write the proportion equation
615,173,680.26 : 848,947,652.55 = 336,709,225.08 : x - Step 2: Convert to fraction form
615,173,680.26/848,947,652.55 = 336,709,225.08/x - Step 3: Cross multiply
615,173,680.26x = 848,947,652.55 × 336,709,225.08 - Step 4: Simplify right side
615,173,680.26x = 285,848,506,223,595,552 - Step 5: Solve for x
x = 285,848,506,223,595,552/615,173,680.26 - Step 6: Final answer
x = 464,663,094.99
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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.