Finding the Fourth Proportional to 19,909,578,746.76, 27,475,229,694.08 and 10,754,107,542.98
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Solution
The fourth proportional to 19,909,578,746.76, 27,475,229,694.08 and 10,754,107,542.98 is: 14,840,674,363.65
Step by Step Solution
- Step 1: Write the proportion equation
19,909,578,746.76 : 27,475,229,694.08 = 10,754,107,542.98 : x - Step 2: Convert to fraction form
19,909,578,746.76/27,475,229,694.08 = 10,754,107,542.98/x - Step 3: Cross multiply
19,909,578,746.76x = 27,475,229,694.08 × 10,754,107,542.98 - Step 4: Simplify right side
19,909,578,746.76x = 295,471,574,898,071,633,920 - Step 5: Solve for x
x = 295,471,574,898,071,633,920/19,909,578,746.76 - Step 6: Final answer
x = 14,840,674,363.65
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1.5x scale
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.