Finding the Fourth Proportional to 537,998,176.80, 742,414,544.92 and 299,830,688.08
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Solution
The fourth proportional to 537,998,176.80, 742,414,544.92 and 299,830,688.08 is: 413,753,565.43
Step by Step Solution
- Step 1: Write the proportion equation
537,998,176.80 : 742,414,544.92 = 299,830,688.08 : x - Step 2: Convert to fraction form
537,998,176.80/742,414,544.92 = 299,830,688.08/x - Step 3: Cross multiply
537,998,176.80x = 742,414,544.92 × 299,830,688.08 - Step 4: Simplify right side
537,998,176.80x = 222,598,663,843,963,648 - Step 5: Solve for x
x = 222,598,663,843,963,648/537,998,176.80 - Step 6: Final answer
x = 413,753,565.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.