Finding the Fourth Proportional to 998,487,130.10, 1,497,730,695.15 and 969,789,316.10
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Solution
The fourth proportional to 998,487,130.10, 1,497,730,695.15 and 969,789,316.10 is: 1,454,683,974.15
Step by Step Solution
- Step 1: Write the proportion equation
998,487,130.10 : 1,497,730,695.15 = 969,789,316.10 : x - Step 2: Convert to fraction form
998,487,130.10/1,497,730,695.15 = 969,789,316.10/x - Step 3: Cross multiply
998,487,130.10x = 1,497,730,695.15 × 969,789,316.10 - Step 4: Simplify right side
998,487,130.10x = 1,452,483,226,551,496,192 - Step 5: Solve for x
x = 1,452,483,226,551,496,192/998,487,130.10 - Step 6: Final answer
x = 1,454,683,974.15
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Half scale
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Double scale
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Similar ratio
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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.