Finding the Fourth Proportional to 1,254,991,276.17, 1,882,716,713.28 and 517,658,944.68
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Solution
The fourth proportional to 1,254,991,276.17, 1,882,716,713.28 and 517,658,944.68 is: 776,583,204.55
Step by Step Solution
- Step 1: Write the proportion equation
1,254,991,276.17 : 1,882,716,713.28 = 517,658,944.68 : x - Step 2: Convert to fraction form
1,254,991,276.17/1,882,716,713.28 = 517,658,944.68/x - Step 3: Cross multiply
1,254,991,276.17x = 1,882,716,713.28 × 517,658,944.68 - Step 4: Simplify right side
1,254,991,276.17x = 974,605,146,927,922,944 - Step 5: Solve for x
x = 974,605,146,927,922,944/1,254,991,276.17 - Step 6: Final answer
x = 776,583,204.55
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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.