Finding the Fourth Proportional to 1,771,497,645.70, 2,657,246,468.55 and 736,014,381.70
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Solution
The fourth proportional to 1,771,497,645.70, 2,657,246,468.55 and 736,014,381.70 is: 1,104,021,572.55
Step by Step Solution
- Step 1: Write the proportion equation
1,771,497,645.70 : 2,657,246,468.55 = 736,014,381.70 : x - Step 2: Convert to fraction form
1,771,497,645.70/2,657,246,468.55 = 736,014,381.70/x - Step 3: Cross multiply
1,771,497,645.70x = 2,657,246,468.55 × 736,014,381.70 - Step 4: Simplify right side
1,771,497,645.70x = 1,955,771,616,574,337,024 - Step 5: Solve for x
x = 1,955,771,616,574,337,024/1,771,497,645.70 - Step 6: Final answer
x = 1,104,021,572.55
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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.