Finding the Fourth Proportional to 1,906,248,435.60, 2,630,134,289.16 and 1,112,838,494.74
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Solution
The fourth proportional to 1,906,248,435.60, 2,630,134,289.16 and 1,112,838,494.74 is: 1,535,431,913.62
Step by Step Solution
- Step 1: Write the proportion equation
1,906,248,435.60 : 2,630,134,289.16 = 1,112,838,494.74 : x - Step 2: Convert to fraction form
1,906,248,435.60/2,630,134,289.16 = 1,112,838,494.74/x - Step 3: Cross multiply
1,906,248,435.60x = 2,630,134,289.16 × 1,112,838,494.74 - Step 4: Simplify right side
1,906,248,435.60x = 2,926,914,683,312,873,984 - Step 5: Solve for x
x = 2,926,914,683,312,873,984/1,906,248,435.60 - Step 6: Final answer
x = 1,535,431,913.62
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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.