Finding the Fourth Proportional to 7,133,248,326.71, 9,842,701,579.62 and 4,122,781,363.68
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Solution
The fourth proportional to 7,133,248,326.71, 9,842,701,579.62 and 4,122,781,363.68 is: 5,688,755,638.69
Step by Step Solution
- Step 1: Write the proportion equation
7,133,248,326.71 : 9,842,701,579.62 = 4,122,781,363.68 : x - Step 2: Convert to fraction form
7,133,248,326.71/9,842,701,579.62 = 4,122,781,363.68/x - Step 3: Cross multiply
7,133,248,326.71x = 9,842,701,579.62 × 4,122,781,363.68 - Step 4: Simplify right side
7,133,248,326.71x = 40,579,306,640,721,035,264 - Step 5: Solve for x
x = 40,579,306,640,721,035,264/7,133,248,326.71 - Step 6: Final answer
x = 5,688,755,638.69
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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.