Finding the Fourth Proportional to 752,397,569.95, 1,038,247,894.35 and 434,878,384.84
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Solution
The fourth proportional to 752,397,569.95, 1,038,247,894.35 and 434,878,384.84 is: 600,097,056.92
Step by Step Solution
- Step 1: Write the proportion equation
752,397,569.95 : 1,038,247,894.35 = 434,878,384.84 : x - Step 2: Convert to fraction form
752,397,569.95/1,038,247,894.35 = 434,878,384.84/x - Step 3: Cross multiply
752,397,569.95x = 1,038,247,894.35 × 434,878,384.84 - Step 4: Simplify right side
752,397,569.95x = 451,511,567,358,458,944 - Step 5: Solve for x
x = 451,511,567,358,458,944/752,397,569.95 - Step 6: Final answer
x = 600,097,056.92
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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.