Finding the Fourth Proportional to 696,426,271.08, 960,524,239.59 and 431,959,971.84
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Solution
The fourth proportional to 696,426,271.08, 960,524,239.59 and 431,959,971.84 is: 595,767,334.91
Step by Step Solution
- Step 1: Write the proportion equation
696,426,271.08 : 960,524,239.59 = 431,959,971.84 : x - Step 2: Convert to fraction form
696,426,271.08/960,524,239.59 = 431,959,971.84/x - Step 3: Cross multiply
696,426,271.08x = 960,524,239.59 × 431,959,971.84 - Step 4: Simplify right side
696,426,271.08x = 414,908,023,484,933,824 - Step 5: Solve for x
x = 414,908,023,484,933,824/696,426,271.08 - Step 6: Final answer
x = 595,767,334.91
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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.