Finding the Fourth Proportional to 1,009,543,966.66, 1,516,979,133.74 and 543,549,925.81
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Solution
The fourth proportional to 1,009,543,966.66, 1,516,979,133.74 and 543,549,925.81 is: 816,758,777.06
Step by Step Solution
- Step 1: Write the proportion equation
1,009,543,966.66 : 1,516,979,133.74 = 543,549,925.81 : x - Step 2: Convert to fraction form
1,009,543,966.66/1,516,979,133.74 = 543,549,925.81/x - Step 3: Cross multiply
1,009,543,966.66x = 1,516,979,133.74 × 543,549,925.81 - Step 4: Simplify right side
1,009,543,966.66x = 824,553,895,599,694,976 - Step 5: Solve for x
x = 824,553,895,599,694,976/1,009,543,966.66 - Step 6: Final answer
x = 816,758,777.06
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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.