Finding the Fourth Proportional to 2,258,989,506.70, 3,388,679,449.80 and 623,214,108.70
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Solution
The fourth proportional to 2,258,989,506.70, 3,388,679,449.80 and 623,214,108.70 is: 934,875,012.35
Step by Step Solution
- Step 1: Write the proportion equation
2,258,989,506.70 : 3,388,679,449.80 = 623,214,108.70 : x - Step 2: Convert to fraction form
2,258,989,506.70/3,388,679,449.80 = 623,214,108.70/x - Step 3: Cross multiply
2,258,989,506.70x = 3,388,679,449.80 × 623,214,108.70 - Step 4: Simplify right side
2,258,989,506.70x = 2,111,872,842,977,113,600 - Step 5: Solve for x
x = 2,111,872,842,977,113,600/2,258,989,506.70 - Step 6: Final answer
x = 934,875,012.35
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1.5x scale
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.