Finding the Fourth Proportional to 648,056,574.97, 971,975,221.14 and 181,610,645.79
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Solution
The fourth proportional to 648,056,574.97, 971,975,221.14 and 181,610,645.79 is: 272,385,242.93
Step by Step Solution
- Step 1: Write the proportion equation
648,056,574.97 : 971,975,221.14 = 181,610,645.79 : x - Step 2: Convert to fraction form
648,056,574.97/971,975,221.14 = 181,610,645.79/x - Step 3: Cross multiply
648,056,574.97x = 971,975,221.14 × 181,610,645.79 - Step 4: Simplify right side
648,056,574.97x = 176,521,047,603,113,440 - Step 5: Solve for x
x = 176,521,047,603,113,440/648,056,574.97 - Step 6: Final answer
x = 272,385,242.93
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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.