Finding the Fourth Proportional to 19,972,866,006.08, 29,955,553,457.23 and 10,021,637,808.17
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Solution
The fourth proportional to 19,972,866,006.08, 29,955,553,457.23 and 10,021,637,808.17 is: 15,030,577,334.28
Step by Step Solution
- Step 1: Write the proportion equation
19,972,866,006.08 : 29,955,553,457.23 = 10,021,637,808.17 : x - Step 2: Convert to fraction form
19,972,866,006.08/29,955,553,457.23 = 10,021,637,808.17/x - Step 3: Cross multiply
19,972,866,006.08x = 29,955,553,457.23 × 10,021,637,808.17 - Step 4: Simplify right side
19,972,866,006.08x = 300,203,707,091,633,700,864 - Step 5: Solve for x
x = 300,203,707,091,633,700,864/19,972,866,006.08 - Step 6: Final answer
x = 15,030,577,334.28
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1.5x scale
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.