Finding the Fourth Proportional to 773,688,063.60, 1,159,524,325.80 and 313,249,330.80
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Solution
The fourth proportional to 773,688,063.60, 1,159,524,325.80 and 313,249,330.80 is: 469,465,972.39
Step by Step Solution
- Step 1: Write the proportion equation
773,688,063.60 : 1,159,524,325.80 = 313,249,330.80 : x - Step 2: Convert to fraction form
773,688,063.60/1,159,524,325.80 = 313,249,330.80/x - Step 3: Cross multiply
773,688,063.60x = 1,159,524,325.80 × 313,249,330.80 - Step 4: Simplify right side
773,688,063.60x = 363,220,219,103,171,200 - Step 5: Solve for x
x = 363,220,219,103,171,200/773,688,063.60 - Step 6: Final answer
x = 469,465,972.39
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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.