Finding the Fourth Proportional to 1,976,046,511.20, 2,963,778,207.20 and 576,655,045.35
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Solution
The fourth proportional to 1,976,046,511.20, 2,963,778,207.20 and 576,655,045.35 is: 864,897,484.34
Step by Step Solution
- Step 1: Write the proportion equation
1,976,046,511.20 : 2,963,778,207.20 = 576,655,045.35 : x - Step 2: Convert to fraction form
1,976,046,511.20/2,963,778,207.20 = 576,655,045.35/x - Step 3: Cross multiply
1,976,046,511.20x = 2,963,778,207.20 × 576,655,045.35 - Step 4: Simplify right side
1,976,046,511.20x = 1,709,077,656,480,257,536 - Step 5: Solve for x
x = 1,709,077,656,480,257,536/1,976,046,511.20 - Step 6: Final answer
x = 864,897,484.34
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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.