Finding the Fourth Proportional to 848,281,567.65, 1,272,422,351.48 and 787,059,564.45
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Solution
The fourth proportional to 848,281,567.65, 1,272,422,351.48 and 787,059,564.45 is: 1,180,589,346.68
Step by Step Solution
- Step 1: Write the proportion equation
848,281,567.65 : 1,272,422,351.48 = 787,059,564.45 : x - Step 2: Convert to fraction form
848,281,567.65/1,272,422,351.48 = 787,059,564.45/x - Step 3: Cross multiply
848,281,567.65x = 1,272,422,351.48 × 787,059,564.45 - Step 4: Simplify right side
848,281,567.65x = 1,001,472,181,748,358,272 - Step 5: Solve for x
x = 1,001,472,181,748,358,272/848,281,567.65 - Step 6: Final answer
x = 1,180,589,346.68
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Double scale
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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.