Finding the Fourth Proportional to 649,315,747.33, 896,031,725.53 and 351,951,605.00
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Solution
The fourth proportional to 649,315,747.33, 896,031,725.53 and 351,951,605.00 is: 485,680,202.93
Step by Step Solution
- Step 1: Write the proportion equation
649,315,747.33 : 896,031,725.53 = 351,951,605.00 : x - Step 2: Convert to fraction form
649,315,747.33/896,031,725.53 = 351,951,605.00/x - Step 3: Cross multiply
649,315,747.33x = 896,031,725.53 × 351,951,605.00 - Step 4: Simplify right side
649,315,747.33x = 315,359,803,925,842,944 - Step 5: Solve for x
x = 315,359,803,925,842,944/649,315,747.33 - Step 6: Final answer
x = 485,680,202.93
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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.