Finding the Fourth Proportional to 7,425,178,667,521.80, 10,246,747,053,926 and 4,132,855,842,206.70
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Solution
The fourth proportional to 7,425,178,667,521.80, 10,246,747,053,926 and 4,132,855,842,206.70 is: 5,703,341,336,507.72
Step by Step Solution
- Step 1: Write the proportion equation
7,425,178,667,521.80 : 10,246,747,053,926 = 4,132,855,842,206.70 : x - Step 2: Convert to fraction form
7,425,178,667,521.80/10,246,747,053,926 = 4,132,855,842,206.70/x - Step 3: Cross multiply
7,425,178,667,521.80x = 10,246,747,053,926 × 4,132,855,842,206.70 - Step 4: Simplify right side
7,425,178,667,521.80x = 42,348,328,425,432,361,184,788,480 - Step 5: Solve for x
x = 42,348,328,425,432,361,184,788,480/7,425,178,667,521.80 - Step 6: Final answer
x = 5,703,341,336,507.72
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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.