Finding the Fourth Proportional to 375,084,327.24, 517,609,520.70 and 207,819,978.36
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Solution
The fourth proportional to 375,084,327.24, 517,609,520.70 and 207,819,978.36 is: 286,787,774.32
Step by Step Solution
- Step 1: Write the proportion equation
375,084,327.24 : 517,609,520.70 = 207,819,978.36 : x - Step 2: Convert to fraction form
375,084,327.24/517,609,520.70 = 207,819,978.36/x - Step 3: Cross multiply
375,084,327.24x = 517,609,520.70 × 207,819,978.36 - Step 4: Simplify right side
375,084,327.24x = 107,569,599,390,803,984 - Step 5: Solve for x
x = 107,569,599,390,803,984/375,084,327.24 - Step 6: Final answer
x = 286,787,774.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.