Finding the Fourth Proportional to 1,254,146,591.84, 1,730,832,483.84 and 689,730,840.80
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Solution
The fourth proportional to 1,254,146,591.84, 1,730,832,483.84 and 689,730,840.80 is: 951,889,158.84
Step by Step Solution
- Step 1: Write the proportion equation
1,254,146,591.84 : 1,730,832,483.84 = 689,730,840.80 : x - Step 2: Convert to fraction form
1,254,146,591.84/1,730,832,483.84 = 689,730,840.80/x - Step 3: Cross multiply
1,254,146,591.84x = 1,730,832,483.84 × 689,730,840.80 - Step 4: Simplify right side
1,254,146,591.84x = 1,193,808,544,362,915,584 - Step 5: Solve for x
x = 1,193,808,544,362,915,584/1,254,146,591.84 - Step 6: Final answer
x = 951,889,158.84
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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.