Finding the Fourth Proportional to 1,282,465,298.92, 1,769,805,542.50 and 695,754,434.92
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Solution
The fourth proportional to 1,282,465,298.92, 1,769,805,542.50 and 695,754,434.92 is: 960,142,981.00
Step by Step Solution
- Step 1: Write the proportion equation
1,282,465,298.92 : 1,769,805,542.50 = 695,754,434.92 : x - Step 2: Convert to fraction form
1,282,465,298.92/1,769,805,542.50 = 695,754,434.92/x - Step 3: Cross multiply
1,282,465,298.92x = 1,769,805,542.50 × 695,754,434.92 - Step 4: Simplify right side
1,282,465,298.92x = 1,231,350,055,140,371,456 - Step 5: Solve for x
x = 1,231,350,055,140,371,456/1,282,465,298.92 - Step 6: Final answer
x = 960,142,981.00
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1.5x scale
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.