Finding the Fourth Proportional to 659,767,799.16, 910,426,465.98 and 381,327,357.24
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Solution
The fourth proportional to 659,767,799.16, 910,426,465.98 and 381,327,357.24 is: 526,201,064.49
Step by Step Solution
- Step 1: Write the proportion equation
659,767,799.16 : 910,426,465.98 = 381,327,357.24 : x - Step 2: Convert to fraction form
659,767,799.16/910,426,465.98 = 381,327,357.24/x - Step 3: Cross multiply
659,767,799.16x = 910,426,465.98 × 381,327,357.24 - Step 4: Simplify right side
659,767,799.16x = 347,170,518,233,506,176 - Step 5: Solve for x
x = 347,170,518,233,506,176/659,767,799.16 - Step 6: Final answer
x = 526,201,064.49
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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.