Finding the Fourth Proportional to 5,578,803,988.35, 7,698,749,644.29 and 3,072,677,700.13
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Solution
The fourth proportional to 5,578,803,988.35, 7,698,749,644.29 and 3,072,677,700.13 is: 4,240,295,303.49
Step by Step Solution
- Step 1: Write the proportion equation
5,578,803,988.35 : 7,698,749,644.29 = 3,072,677,700.13 : x - Step 2: Convert to fraction form
5,578,803,988.35/7,698,749,644.29 = 3,072,677,700.13/x - Step 3: Cross multiply
5,578,803,988.35x = 7,698,749,644.29 × 3,072,677,700.13 - Step 4: Simplify right side
5,578,803,988.35x = 23,655,776,350,893,654,016 - Step 5: Solve for x
x = 23,655,776,350,893,654,016/5,578,803,988.35 - Step 6: Final answer
x = 4,240,295,303.49
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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.