Finding the Fourth Proportional to 6,402,726,415.31, 9,604,573,996.08 and 1,981,593,005.36
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Solution
The fourth proportional to 6,402,726,415.31, 9,604,573,996.08 and 1,981,593,005.36 is: 2,972,539,417.68
Step by Step Solution
- Step 1: Write the proportion equation
6,402,726,415.31 : 9,604,573,996.08 = 1,981,593,005.36 : x - Step 2: Convert to fraction form
6,402,726,415.31/9,604,573,996.08 = 1,981,593,005.36/x - Step 3: Cross multiply
6,402,726,415.31x = 9,604,573,996.08 × 1,981,593,005.36 - Step 4: Simplify right side
6,402,726,415.31x = 19,032,356,650,103,574,528 - Step 5: Solve for x
x = 19,032,356,650,103,574,528/6,402,726,415.31 - Step 6: Final answer
x = 2,972,539,417.68
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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.