Finding the Fourth Proportional to 971,167,656.05, 1,340,210,420.01 and 525,129,951.95
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Solution
The fourth proportional to 971,167,656.05, 1,340,210,420.01 and 525,129,951.95 is: 724,678,822.52
Step by Step Solution
- Step 1: Write the proportion equation
971,167,656.05 : 1,340,210,420.01 = 525,129,951.95 : x - Step 2: Convert to fraction form
971,167,656.05/1,340,210,420.01 = 525,129,951.95/x - Step 3: Cross multiply
971,167,656.05x = 1,340,210,420.01 × 525,129,951.95 - Step 4: Simplify right side
971,167,656.05x = 703,784,633,456,039,552 - Step 5: Solve for x
x = 703,784,633,456,039,552/971,167,656.05 - Step 6: Final answer
x = 724,678,822.52
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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.