Finding the Fourth Proportional to 1,464,925,304.53, 2,197,298,964.79 and 519,570,235.09
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Solution
The fourth proportional to 1,464,925,304.53, 2,197,298,964.79 and 519,570,235.09 is: 779,323,789.53
Step by Step Solution
- Step 1: Write the proportion equation
1,464,925,304.53 : 2,197,298,964.79 = 519,570,235.09 : x - Step 2: Convert to fraction form
1,464,925,304.53/2,197,298,964.79 = 519,570,235.09/x - Step 3: Cross multiply
1,464,925,304.53x = 2,197,298,964.79 × 519,570,235.09 - Step 4: Simplify right side
1,464,925,304.53x = 1,141,651,139,698,953,856 - Step 5: Solve for x
x = 1,141,651,139,698,953,856/1,464,925,304.53 - Step 6: Final answer
x = 779,323,789.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.