Finding the Fourth Proportional to 1,197,052,881.84, 1,653,073,801.74 and 1,131,837,970.68
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Solution
The fourth proportional to 1,197,052,881.84, 1,653,073,801.74 and 1,131,837,970.68 is: 1,563,015,072.71
Step by Step Solution
- Step 1: Write the proportion equation
1,197,052,881.84 : 1,653,073,801.74 = 1,131,837,970.68 : x - Step 2: Convert to fraction form
1,197,052,881.84/1,653,073,801.74 = 1,131,837,970.68/x - Step 3: Cross multiply
1,197,052,881.84x = 1,653,073,801.74 × 1,131,837,970.68 - Step 4: Simplify right side
1,197,052,881.84x = 1,871,011,697,145,674,496 - Step 5: Solve for x
x = 1,871,011,697,145,674,496/1,197,052,881.84 - Step 6: Final answer
x = 1,563,015,072.71
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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.