Finding the Fourth Proportional to 2,390,730,972.08, 3,299,220,200.42 and 1,319,034,248.08
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Solution
The fourth proportional to 2,390,730,972.08, 3,299,220,200.42 and 1,319,034,248.08 is: 1,820,273,584.57
Step by Step Solution
- Step 1: Write the proportion equation
2,390,730,972.08 : 3,299,220,200.42 = 1,319,034,248.08 : x - Step 2: Convert to fraction form
2,390,730,972.08/3,299,220,200.42 = 1,319,034,248.08/x - Step 3: Cross multiply
2,390,730,972.08x = 3,299,220,200.42 × 1,319,034,248.08 - Step 4: Simplify right side
2,390,730,972.08x = 4,351,784,436,306,391,552 - Step 5: Solve for x
x = 4,351,784,436,306,391,552/2,390,730,972.08 - Step 6: Final answer
x = 1,820,273,584.57
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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.