Finding the Fourth Proportional to 1,430,586,049.35, 1,974,226,542.35 and 866,063,437.59
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Solution
The fourth proportional to 1,430,586,049.35, 1,974,226,542.35 and 866,063,437.59 is: 1,195,178,316.34
Step by Step Solution
- Step 1: Write the proportion equation
1,430,586,049.35 : 1,974,226,542.35 = 866,063,437.59 : x - Step 2: Convert to fraction form
1,430,586,049.35/1,974,226,542.35 = 866,063,437.59/x - Step 3: Cross multiply
1,430,586,049.35x = 1,974,226,542.35 × 866,063,437.59 - Step 4: Simplify right side
1,430,586,049.35x = 1,709,805,425,844,730,368 - Step 5: Solve for x
x = 1,709,805,425,844,730,368/1,430,586,049.35 - Step 6: Final answer
x = 1,195,178,316.34
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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.