Finding the Fourth Proportional to 898,706,489.32, 1,347,963,155.58 and 609,430,424.68
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Solution
The fourth proportional to 898,706,489.32, 1,347,963,155.58 and 609,430,424.68 is: 914,080,145.32
Step by Step Solution
- Step 1: Write the proportion equation
898,706,489.32 : 1,347,963,155.58 = 609,430,424.68 : x - Step 2: Convert to fraction form
898,706,489.32/1,347,963,155.58 = 609,430,424.68/x - Step 3: Cross multiply
898,706,489.32x = 1,347,963,155.58 × 609,430,424.68 - Step 4: Simplify right side
898,706,489.32x = 821,489,758,358,112,256 - Step 5: Solve for x
x = 821,489,758,358,112,256/898,706,489.32 - Step 6: Final answer
x = 914,080,145.32
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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.