Finding the Fourth Proportional to 1,562,709,398.18, 2,156,459,773.84 and 927,657,035.15
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Solution
The fourth proportional to 1,562,709,398.18, 2,156,459,773.84 and 927,657,035.15 is: 1,280,119,696.31
Step by Step Solution
- Step 1: Write the proportion equation
1,562,709,398.18 : 2,156,459,773.84 = 927,657,035.15 : x - Step 2: Convert to fraction form
1,562,709,398.18/2,156,459,773.84 = 927,657,035.15/x - Step 3: Cross multiply
1,562,709,398.18x = 2,156,459,773.84 × 927,657,035.15 - Step 4: Simplify right side
1,562,709,398.18x = 2,000,455,080,207,552,512 - Step 5: Solve for x
x = 2,000,455,080,207,552,512/1,562,709,398.18 - Step 6: Final answer
x = 1,280,119,696.31
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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.