Finding the Fourth Proportional to 622,730,764.32, 859,386,390.90 and 344,290,223.99
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Solution
The fourth proportional to 622,730,764.32, 859,386,390.90 and 344,290,223.99 is: 475,130,425.48
Step by Step Solution
- Step 1: Write the proportion equation
622,730,764.32 : 859,386,390.90 = 344,290,223.99 : x - Step 2: Convert to fraction form
622,730,764.32/859,386,390.90 = 344,290,223.99/x - Step 3: Cross multiply
622,730,764.32x = 859,386,390.90 × 344,290,223.99 - Step 4: Simplify right side
622,730,764.32x = 295,878,333,014,658,048 - Step 5: Solve for x
x = 295,878,333,014,658,048/622,730,764.32 - Step 6: Final answer
x = 475,130,425.48
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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.