Finding the Fourth Proportional to 620,039,807.08, 929,736,767.95 and 292,427,356.07
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Solution
The fourth proportional to 620,039,807.08, 929,736,767.95 and 292,427,356.07 is: 438,488,725.71
Step by Step Solution
- Step 1: Write the proportion equation
620,039,807.08 : 929,736,767.95 = 292,427,356.07 : x - Step 2: Convert to fraction form
620,039,807.08/929,736,767.95 = 292,427,356.07/x - Step 3: Cross multiply
620,039,807.08x = 929,736,767.95 × 292,427,356.07 - Step 4: Simplify right side
620,039,807.08x = 271,880,464,895,922,304 - Step 5: Solve for x
x = 271,880,464,895,922,304/620,039,807.08 - Step 6: Final answer
x = 438,488,725.71
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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.