Finding the Fourth Proportional to 19,972,866,004.58, 29,955,553,454.99 and 10,021,637,806.67
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Solution
The fourth proportional to 19,972,866,004.58, 29,955,553,454.99 and 10,021,637,806.67 is: 15,030,577,332.03
Step by Step Solution
- Step 1: Write the proportion equation
19,972,866,004.58 : 29,955,553,454.99 = 10,021,637,806.67 : x - Step 2: Convert to fraction form
19,972,866,004.58/29,955,553,454.99 = 10,021,637,806.67/x - Step 3: Cross multiply
19,972,866,004.58x = 29,955,553,454.99 × 10,021,637,806.67 - Step 4: Simplify right side
19,972,866,004.58x = 300,203,707,024,052,060,160 - Step 5: Solve for x
x = 300,203,707,024,052,060,160/19,972,866,004.58 - Step 6: Final answer
x = 15,030,577,332.03
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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.