Finding the Fourth Proportional to 487,362,341.84, 730,971,604.18 and 142,223,298.80
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Solution
The fourth proportional to 487,362,341.84, 730,971,604.18 and 142,223,298.80 is: 213,313,963.66
Step by Step Solution
- Step 1: Write the proportion equation
487,362,341.84 : 730,971,604.18 = 142,223,298.80 : x - Step 2: Convert to fraction form
487,362,341.84/730,971,604.18 = 142,223,298.80/x - Step 3: Cross multiply
487,362,341.84x = 730,971,604.18 × 142,223,298.80 - Step 4: Simplify right side
487,362,341.84x = 103,961,192,875,607,472 - Step 5: Solve for x
x = 103,961,192,875,607,472/487,362,341.84 - Step 6: Final answer
x = 213,313,963.66
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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.