Finding the Fourth Proportional to 649,315,750.32, 896,031,729.65 and 351,951,607.99
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Solution
The fourth proportional to 649,315,750.32, 896,031,729.65 and 351,951,607.99 is: 485,680,207.06
Step by Step Solution
- Step 1: Write the proportion equation
649,315,750.32 : 896,031,729.65 = 351,951,607.99 : x - Step 2: Convert to fraction form
649,315,750.32/896,031,729.65 = 351,951,607.99/x - Step 3: Cross multiply
649,315,750.32x = 896,031,729.65 × 351,951,607.99 - Step 4: Simplify right side
649,315,750.32x = 315,359,808,062,378,368 - Step 5: Solve for x
x = 315,359,808,062,378,368/649,315,750.32 - Step 6: Final answer
x = 485,680,207.06
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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.