Finding the Fourth Proportional to 1,962,402,673.44, 2,943,254,504.66 and 781,884,215.18
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Solution
The fourth proportional to 1,962,402,673.44, 2,943,254,504.66 and 781,884,215.18 is: 1,172,687,068.55
Step by Step Solution
- Step 1: Write the proportion equation
1,962,402,673.44 : 2,943,254,504.66 = 781,884,215.18 : x - Step 2: Convert to fraction form
1,962,402,673.44/2,943,254,504.66 = 781,884,215.18/x - Step 3: Cross multiply
1,962,402,673.44x = 2,943,254,504.66 × 781,884,215.18 - Step 4: Simplify right side
1,962,402,673.44x = 2,301,284,238,432,457,984 - Step 5: Solve for x
x = 2,301,284,238,432,457,984/1,962,402,673.44 - Step 6: Final answer
x = 1,172,687,068.55
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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.