Finding the Fourth Proportional to 6,340,620,875.13, 8,749,817,088.84 and 3,521,410,403.76
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Solution
The fourth proportional to 6,340,620,875.13, 8,749,817,088.84 and 3,521,410,403.76 is: 4,859,413,223.79
Step by Step Solution
- Step 1: Write the proportion equation
6,340,620,875.13 : 8,749,817,088.84 = 3,521,410,403.76 : x - Step 2: Convert to fraction form
6,340,620,875.13/8,749,817,088.84 = 3,521,410,403.76/x - Step 3: Cross multiply
6,340,620,875.13x = 8,749,817,088.84 × 3,521,410,403.76 - Step 4: Simplify right side
6,340,620,875.13x = 30,811,696,927,638,216,704 - Step 5: Solve for x
x = 30,811,696,927,638,216,704/6,340,620,875.13 - Step 6: Final answer
x = 4,859,413,223.79
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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.