Finding the Fourth Proportional to 645,560,711.81, 968,710,071.48 and 350,479,823.75
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Solution
The fourth proportional to 645,560,711.81, 968,710,071.48 and 350,479,823.75 is: 525,920,070.59
Step by Step Solution
- Step 1: Write the proportion equation
645,560,711.81 : 968,710,071.48 = 350,479,823.75 : x - Step 2: Convert to fraction form
645,560,711.81/968,710,071.48 = 350,479,823.75/x - Step 3: Cross multiply
645,560,711.81x = 968,710,071.48 × 350,479,823.75 - Step 4: Simplify right side
645,560,711.81x = 339,513,335,120,896,384 - Step 5: Solve for x
x = 339,513,335,120,896,384/645,560,711.81 - Step 6: Final answer
x = 525,920,070.59
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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.