Finding the Fourth Proportional to 970,152,926.43, 1,454,697,948.64 and 477,783,468.75
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Solution
The fourth proportional to 970,152,926.43, 1,454,697,948.64 and 477,783,468.75 is: 716,413,477.65
Step by Step Solution
- Step 1: Write the proportion equation
970,152,926.43 : 1,454,697,948.64 = 477,783,468.75 : x - Step 2: Convert to fraction form
970,152,926.43/1,454,697,948.64 = 477,783,468.75/x - Step 3: Cross multiply
970,152,926.43x = 1,454,697,948.64 × 477,783,468.75 - Step 4: Simplify right side
970,152,926.43x = 695,030,631,875,066,112 - Step 5: Solve for x
x = 695,030,631,875,066,112/970,152,926.43 - Step 6: Final answer
x = 716,413,477.65
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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.