Finding the Fourth Proportional to 439,889,779.62, 607,028,259.24 and 263,774,956.14
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Solution
The fourth proportional to 439,889,779.62, 607,028,259.24 and 263,774,956.14 is: 363,997,664.59
Step by Step Solution
- Step 1: Write the proportion equation
439,889,779.62 : 607,028,259.24 = 263,774,956.14 : x - Step 2: Convert to fraction form
439,889,779.62/607,028,259.24 = 263,774,956.14/x - Step 3: Cross multiply
439,889,779.62x = 607,028,259.24 × 263,774,956.14 - Step 4: Simplify right side
439,889,779.62x = 160,118,852,456,771,552 - Step 5: Solve for x
x = 160,118,852,456,771,552/439,889,779.62 - Step 6: Final answer
x = 363,997,664.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.