Finding the Fourth Proportional to 19,346,843,875.61, 29,006,773,326 and 8,572,265,017.65
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Solution
The fourth proportional to 19,346,843,875.61, 29,006,773,326 and 8,572,265,017.65 is: 12,852,419,229.52
Step by Step Solution
- Step 1: Write the proportion equation
19,346,843,875.61 : 29,006,773,326 = 8,572,265,017.65 : x - Step 2: Convert to fraction form
19,346,843,875.61/29,006,773,326 = 8,572,265,017.65/x - Step 3: Cross multiply
19,346,843,875.61x = 29,006,773,326 × 8,572,265,017.65 - Step 4: Simplify right side
19,346,843,875.61x = 248,653,748,257,372,930,048 - Step 5: Solve for x
x = 248,653,748,257,372,930,048/19,346,843,875.61 - Step 6: Final answer
x = 12,852,419,229.52
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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.