Finding the Fourth Proportional to 7,288,349,386.02, 10,057,931,852.49 and 3,946,853,431.14
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Solution
The fourth proportional to 7,288,349,386.02, 10,057,931,852.49 and 3,946,853,431.14 is: 5,446,662,987.69
Step by Step Solution
- Step 1: Write the proportion equation
7,288,349,386.02 : 10,057,931,852.49 = 3,946,853,431.14 : x - Step 2: Convert to fraction form
7,288,349,386.02/10,057,931,852.49 = 3,946,853,431.14/x - Step 3: Cross multiply
7,288,349,386.02x = 10,057,931,852.49 × 3,946,853,431.14 - Step 4: Simplify right side
7,288,349,386.02x = 39,697,182,842,172,448,768 - Step 5: Solve for x
x = 39,697,182,842,172,448,768/7,288,349,386.02 - Step 6: Final answer
x = 5,446,662,987.69
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1.5x scale
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.