Finding the Fourth Proportional to 1,889,785,729.20, 2,834,678,593.80 and 1,768,853,377.20
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Solution
The fourth proportional to 1,889,785,729.20, 2,834,678,593.80 and 1,768,853,377.20 is: 2,653,280,065.80
Step by Step Solution
- Step 1: Write the proportion equation
1,889,785,729.20 : 2,834,678,593.80 = 1,768,853,377.20 : x - Step 2: Convert to fraction form
1,889,785,729.20/2,834,678,593.80 = 1,768,853,377.20/x - Step 3: Cross multiply
1,889,785,729.20x = 2,834,678,593.80 × 1,768,853,377.20 - Step 4: Simplify right side
1,889,785,729.20x = 5,014,130,803,919,677,440 - Step 5: Solve for x
x = 5,014,130,803,919,677,440/1,889,785,729.20 - Step 6: Final answer
x = 2,653,280,065.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.