Finding the Fourth Proportional to 1,267,118,929.95, 1,748,627,889.80 and 702,643,578.09
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Solution
The fourth proportional to 1,267,118,929.95, 1,748,627,889.80 and 702,643,578.09 is: 969,650,226.35
Step by Step Solution
- Step 1: Write the proportion equation
1,267,118,929.95 : 1,748,627,889.80 = 702,643,578.09 : x - Step 2: Convert to fraction form
1,267,118,929.95/1,748,627,889.80 = 702,643,578.09/x - Step 3: Cross multiply
1,267,118,929.95x = 1,748,627,889.80 × 702,643,578.09 - Step 4: Simplify right side
1,267,118,929.95x = 1,228,662,157,237,038,336 - Step 5: Solve for x
x = 1,228,662,157,237,038,336/1,267,118,929.95 - Step 6: Final answer
x = 969,650,226.35
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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.