Finding the Fourth Proportional to 1,183,340,412.84, 1,633,057,838.64 and 654,695,789.07
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Solution
The fourth proportional to 1,183,340,412.84, 1,633,057,838.64 and 654,695,789.07 is: 903,506,783.56
Step by Step Solution
- Step 1: Write the proportion equation
1,183,340,412.84 : 1,633,057,838.64 = 654,695,789.07 : x - Step 2: Convert to fraction form
1,183,340,412.84/1,633,057,838.64 = 654,695,789.07/x - Step 3: Cross multiply
1,183,340,412.84x = 1,633,057,838.64 × 654,695,789.07 - Step 4: Simplify right side
1,183,340,412.84x = 1,069,156,090,265,363,712 - Step 5: Solve for x
x = 1,069,156,090,265,363,712/1,183,340,412.84 - Step 6: Final answer
x = 903,506,783.56
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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.