Finding the Fourth Proportional to 49,360,454,384.36, 74,017,341,462.84 and 19,121,756,138.87
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Solution
The fourth proportional to 49,360,454,384.36, 74,017,341,462.84 and 19,121,756,138.87 is: 28,673,592,477.07
Step by Step Solution
- Step 1: Write the proportion equation
49,360,454,384.36 : 74,017,341,462.84 = 19,121,756,138.87 : x - Step 2: Convert to fraction form
49,360,454,384.36/74,017,341,462.84 = 19,121,756,138.87/x - Step 3: Cross multiply
49,360,454,384.36x = 74,017,341,462.84 × 19,121,756,138.87 - Step 4: Simplify right side
49,360,454,384.36x = 1,415,341,553,500,024,471,552 - Step 5: Solve for x
x = 1,415,341,553,500,024,471,552/49,360,454,384.36 - Step 6: Final answer
x = 28,673,592,477.07
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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.