Finding the Fourth Proportional to 689,281,576.29, 1,028,546,373.58 and 614,994,708.47
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Solution
The fourth proportional to 689,281,576.29, 1,028,546,373.58 and 614,994,708.47 is: 917,695,465.71
Step by Step Solution
- Step 1: Write the proportion equation
689,281,576.29 : 1,028,546,373.58 = 614,994,708.47 : x - Step 2: Convert to fraction form
689,281,576.29/1,028,546,373.58 = 614,994,708.47/x - Step 3: Cross multiply
689,281,576.29x = 1,028,546,373.58 × 614,994,708.47 - Step 4: Simplify right side
689,281,576.29x = 632,550,577,161,027,584 - Step 5: Solve for x
x = 632,550,577,161,027,584/689,281,576.29 - Step 6: Final answer
x = 917,695,465.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.