Finding the Fourth Proportional to 375,084,319.24, 517,609,509.60 and 207,819,970.48
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Solution
The fourth proportional to 375,084,319.24, 517,609,509.60 and 207,819,970.48 is: 286,787,763.41
Step by Step Solution
- Step 1: Write the proportion equation
375,084,319.24 : 517,609,509.60 = 207,819,970.48 : x - Step 2: Convert to fraction form
375,084,319.24/517,609,509.60 = 207,819,970.48/x - Step 3: Cross multiply
375,084,319.24x = 517,609,509.60 × 207,819,970.48 - Step 4: Simplify right side
375,084,319.24x = 107,569,593,005,239,280 - Step 5: Solve for x
x = 107,569,593,005,239,280/375,084,319.24 - Step 6: Final answer
x = 286,787,763.41
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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.