Finding the Fourth Proportional to 537,876,018.68, 742,611,624.48 and 438,992,637.12
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Solution
The fourth proportional to 537,876,018.68, 742,611,624.48 and 438,992,637.12 is: 606,089,552.36
Step by Step Solution
- Step 1: Write the proportion equation
537,876,018.68 : 742,611,624.48 = 438,992,637.12 : x - Step 2: Convert to fraction form
537,876,018.68/742,611,624.48 = 438,992,637.12/x - Step 3: Cross multiply
537,876,018.68x = 742,611,624.48 × 438,992,637.12 - Step 4: Simplify right side
537,876,018.68x = 326,001,035,386,442,368 - Step 5: Solve for x
x = 326,001,035,386,442,368/537,876,018.68 - Step 6: Final answer
x = 606,089,552.36
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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.