Finding the Fourth Proportional to 1,579,594,964.52, 2,179,909,572.65 and 874,746,946.02
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Solution
The fourth proportional to 1,579,594,964.52, 2,179,909,572.65 and 874,746,946.02 is: 1,207,188,731.35
Step by Step Solution
- Step 1: Write the proportion equation
1,579,594,964.52 : 2,179,909,572.65 = 874,746,946.02 : x - Step 2: Convert to fraction form
1,579,594,964.52/2,179,909,572.65 = 874,746,946.02/x - Step 3: Cross multiply
1,579,594,964.52x = 2,179,909,572.65 × 874,746,946.02 - Step 4: Simplify right side
1,579,594,964.52x = 1,906,869,241,270,977,024 - Step 5: Solve for x
x = 1,906,869,241,270,977,024/1,579,594,964.52 - Step 6: Final answer
x = 1,207,188,731.35
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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.