Finding the Fourth Proportional to 1,451,503,829.70, 2,177,249,530.53 and 402,239,036.55
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Solution
The fourth proportional to 1,451,503,829.70, 2,177,249,530.53 and 402,239,036.55 is: 603,356,832.80
Step by Step Solution
- Step 1: Write the proportion equation
1,451,503,829.70 : 2,177,249,530.53 = 402,239,036.55 : x - Step 2: Convert to fraction form
1,451,503,829.70/2,177,249,530.53 = 402,239,036.55/x - Step 3: Cross multiply
1,451,503,829.70x = 2,177,249,530.53 × 402,239,036.55 - Step 4: Simplify right side
1,451,503,829.70x = 875,774,753,489,327,104 - Step 5: Solve for x
x = 875,774,753,489,327,104/1,451,503,829.70 - Step 6: Final answer
x = 603,356,832.80
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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.