Finding the Fourth Proportional to 490,615,132.06, 736,249,964.70 and 254,482,281.70
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Solution
The fourth proportional to 490,615,132.06, 736,249,964.70 and 254,482,281.70 is: 381,893,175.88
Step by Step Solution
- Step 1: Write the proportion equation
490,615,132.06 : 736,249,964.70 = 254,482,281.70 : x - Step 2: Convert to fraction form
490,615,132.06/736,249,964.70 = 254,482,281.70/x - Step 3: Cross multiply
490,615,132.06x = 736,249,964.70 × 254,482,281.70 - Step 4: Simplify right side
490,615,132.06x = 187,362,570,918,400,448 - Step 5: Solve for x
x = 187,362,570,918,400,448/490,615,132.06 - Step 6: Final answer
x = 381,893,175.88
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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.