Finding the Fourth Proportional to 1,501,118,783.62, 2,252,695,438.23 and 615,964,168.14
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Solution
The fourth proportional to 1,501,118,783.62, 2,252,695,438.23 and 615,964,168.14 is: 924,363,672.50
Step by Step Solution
- Step 1: Write the proportion equation
1,501,118,783.62 : 2,252,695,438.23 = 615,964,168.14 : x - Step 2: Convert to fraction form
1,501,118,783.62/2,252,695,438.23 = 615,964,168.14/x - Step 3: Cross multiply
1,501,118,783.62x = 2,252,695,438.23 × 615,964,168.14 - Step 4: Simplify right side
1,501,118,783.62x = 1,387,579,671,683,452,928 - Step 5: Solve for x
x = 1,387,579,671,683,452,928/1,501,118,783.62 - Step 6: Final answer
x = 924,363,672.50
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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.