Finding the Fourth Proportional to 1,970,930,038.68, 2,719,884,304.80 and 1,078,861,852.98
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Solution
The fourth proportional to 1,970,930,038.68, 2,719,884,304.80 and 1,078,861,852.98 is: 1,488,829,823.17
Step by Step Solution
- Step 1: Write the proportion equation
1,970,930,038.68 : 2,719,884,304.80 = 1,078,861,852.98 : x - Step 2: Convert to fraction form
1,970,930,038.68/2,719,884,304.80 = 1,078,861,852.98/x - Step 3: Cross multiply
1,970,930,038.68x = 2,719,884,304.80 × 1,078,861,852.98 - Step 4: Simplify right side
1,970,930,038.68x = 2,934,379,420,967,747,584 - Step 5: Solve for x
x = 2,934,379,420,967,747,584/1,970,930,038.68 - Step 6: Final answer
x = 1,488,829,823.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.