Finding the Fourth Proportional to 753,947,049,818.70, 1,130,913,121,977.40 and 345,417,542,851.06
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Solution
The fourth proportional to 753,947,049,818.70, 1,130,913,121,977.40 and 345,417,542,851.06 is: 518,122,899,831.48
Step by Step Solution
- Step 1: Write the proportion equation
753,947,049,818.70 : 1,130,913,121,977.40 = 345,417,542,851.06 : x - Step 2: Convert to fraction form
753,947,049,818.70/1,130,913,121,977.40 = 345,417,542,851.06/x - Step 3: Cross multiply
753,947,049,818.70x = 1,130,913,121,977.40 × 345,417,542,851.06 - Step 4: Simplify right side
753,947,049,818.70x = 390,637,231,771,454,598,545,408 - Step 5: Solve for x
x = 390,637,231,771,454,598,545,408/753,947,049,818.70 - Step 6: Final answer
x = 518,122,899,831.48
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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.