Finding the Fourth Proportional to 608,124,429.70, 912,186,644.55 and 531,596,925.70
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Solution
The fourth proportional to 608,124,429.70, 912,186,644.55 and 531,596,925.70 is: 797,395,388.55
Step by Step Solution
- Step 1: Write the proportion equation
608,124,429.70 : 912,186,644.55 = 531,596,925.70 : x - Step 2: Convert to fraction form
608,124,429.70/912,186,644.55 = 531,596,925.70/x - Step 3: Cross multiply
608,124,429.70x = 912,186,644.55 × 531,596,925.70 - Step 4: Simplify right side
608,124,429.70x = 484,915,615,907,378,624 - Step 5: Solve for x
x = 484,915,615,907,378,624/608,124,429.70 - Step 6: Final answer
x = 797,395,388.55
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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.