Finding the Fourth Proportional to 538,832,351.20, 808,248,526.80 and 232,722,335.20
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Solution
The fourth proportional to 538,832,351.20, 808,248,526.80 and 232,722,335.20 is: 349,083,502.80
Step by Step Solution
- Step 1: Write the proportion equation
538,832,351.20 : 808,248,526.80 = 232,722,335.20 : x - Step 2: Convert to fraction form
538,832,351.20/808,248,526.80 = 232,722,335.20/x - Step 3: Cross multiply
538,832,351.20x = 808,248,526.80 × 232,722,335.20 - Step 4: Simplify right side
538,832,351.20x = 188,097,484,578,855,776 - Step 5: Solve for x
x = 188,097,484,578,855,776/538,832,351.20 - Step 6: Final answer
x = 349,083,502.80
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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.