Finding the Fourth Proportional to 969,423,127.61, 1,454,338,979.10 and 314,323,070.99
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Solution
The fourth proportional to 969,423,127.61, 1,454,338,979.10 and 314,323,070.99 is: 471,550,844.15
Step by Step Solution
- Step 1: Write the proportion equation
969,423,127.61 : 1,454,338,979.10 = 314,323,070.99 : x - Step 2: Convert to fraction form
969,423,127.61/1,454,338,979.10 = 314,323,070.99/x - Step 3: Cross multiply
969,423,127.61x = 1,454,338,979.10 × 314,323,070.99 - Step 4: Simplify right side
969,423,127.61x = 457,132,294,163,901,696 - Step 5: Solve for x
x = 457,132,294,163,901,696/969,423,127.61 - Step 6: Final answer
x = 471,550,844.15
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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.