Finding the Fourth Proportional to 1,740,869,221.50, 2,402,389,292.92 and 947,913,301.99
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Solution
The fourth proportional to 1,740,869,221.50, 2,402,389,292.92 and 947,913,301.99 is: 1,308,114,784.96
Step by Step Solution
- Step 1: Write the proportion equation
1,740,869,221.50 : 2,402,389,292.92 = 947,913,301.99 : x - Step 2: Convert to fraction form
1,740,869,221.50/2,402,389,292.92 = 947,913,301.99/x - Step 3: Cross multiply
1,740,869,221.50x = 2,402,389,292.92 × 947,913,301.99 - Step 4: Simplify right side
1,740,869,221.50x = 2,277,256,767,312,478,976 - Step 5: Solve for x
x = 2,277,256,767,312,478,976/1,740,869,221.50 - Step 6: Final answer
x = 1,308,114,784.96
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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.