Finding the Fourth Proportional to 346,426,153.74, 478,064,044.98 and 187,653,282.84
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Solution
The fourth proportional to 346,426,153.74, 478,064,044.98 and 187,653,282.84 is: 258,959,338.03
Step by Step Solution
- Step 1: Write the proportion equation
346,426,153.74 : 478,064,044.98 = 187,653,282.84 : x - Step 2: Convert to fraction form
346,426,153.74/478,064,044.98 = 187,653,282.84/x - Step 3: Cross multiply
346,426,153.74x = 478,064,044.98 × 187,653,282.84 - Step 4: Simplify right side
346,426,153.74x = 89,710,287,448,266,432 - Step 5: Solve for x
x = 89,710,287,448,266,432/346,426,153.74 - Step 6: Final answer
x = 258,959,338.03
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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.