Finding the Fourth Proportional to 652,283,427.42, 899,808,102 and 387,777,295.62
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Solution
The fourth proportional to 652,283,427.42, 899,808,102 and 387,777,295.62 is: 534,928,740.64
Step by Step Solution
- Step 1: Write the proportion equation
652,283,427.42 : 899,808,102 = 387,777,295.62 : x - Step 2: Convert to fraction form
652,283,427.42/899,808,102 = 387,777,295.62/x - Step 3: Cross multiply
652,283,427.42x = 899,808,102 × 387,777,295.62 - Step 4: Simplify right side
652,283,427.42x = 348,925,152,370,525,120 - Step 5: Solve for x
x = 348,925,152,370,525,120/652,283,427.42 - Step 6: Final answer
x = 534,928,740.64
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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.