Finding the Fourth Proportional to 778,752,023.10, 1,168,128,034.65 and 472,390,064.70
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Solution
The fourth proportional to 778,752,023.10, 1,168,128,034.65 and 472,390,064.70 is: 708,585,097.05
Step by Step Solution
- Step 1: Write the proportion equation
778,752,023.10 : 1,168,128,034.65 = 472,390,064.70 : x - Step 2: Convert to fraction form
778,752,023.10/1,168,128,034.65 = 472,390,064.70/x - Step 3: Cross multiply
778,752,023.10x = 1,168,128,034.65 × 472,390,064.70 - Step 4: Simplify right side
778,752,023.10x = 551,812,077,866,197,376 - Step 5: Solve for x
x = 551,812,077,866,197,376/778,752,023.10 - Step 6: Final answer
x = 708,585,097.05
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Similar ratio
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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.