Finding the Fourth Proportional to 1,303,674,776.70, 1,955,512,165.05 and 785,838,666.30
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Solution
The fourth proportional to 1,303,674,776.70, 1,955,512,165.05 and 785,838,666.30 is: 1,178,757,999.45
Step by Step Solution
- Step 1: Write the proportion equation
1,303,674,776.70 : 1,955,512,165.05 = 785,838,666.30 : x - Step 2: Convert to fraction form
1,303,674,776.70/1,955,512,165.05 = 785,838,666.30/x - Step 3: Cross multiply
1,303,674,776.70x = 1,955,512,165.05 × 785,838,666.30 - Step 4: Simplify right side
1,303,674,776.70x = 1,536,717,071,716,317,440 - Step 5: Solve for x
x = 1,536,717,071,716,317,440/1,303,674,776.70 - Step 6: Final answer
x = 1,178,757,999.45
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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.