Finding the Fourth Proportional to 40,703,206,285.28, 61,054,830,727.68 and 12,756,626,655.68
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Solution
The fourth proportional to 40,703,206,285.28, 61,054,830,727.68 and 12,756,626,655.68 is: 19,134,946,658.99
Step by Step Solution
- Step 1: Write the proportion equation
40,703,206,285.28 : 61,054,830,727.68 = 12,756,626,655.68 : x - Step 2: Convert to fraction form
40,703,206,285.28/61,054,830,727.68 = 12,756,626,655.68/x - Step 3: Cross multiply
40,703,206,285.28x = 61,054,830,727.68 × 12,756,626,655.68 - Step 4: Simplify right side
40,703,206,285.28x = 778,853,681,118,753,062,912 - Step 5: Solve for x
x = 778,853,681,118,753,062,912/40,703,206,285.28 - Step 6: Final answer
x = 19,134,946,658.99
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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.