Finding the Fourth Proportional to 750,111,470.98, 1,125,209,721.75 and 232,615,482.82
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Solution
The fourth proportional to 750,111,470.98, 1,125,209,721.75 and 232,615,482.82 is: 348,936,408.55
Step by Step Solution
- Step 1: Write the proportion equation
750,111,470.98 : 1,125,209,721.75 = 232,615,482.82 : x - Step 2: Convert to fraction form
750,111,470.98/1,125,209,721.75 = 232,615,482.82/x - Step 3: Cross multiply
750,111,470.98x = 1,125,209,721.75 × 232,615,482.82 - Step 4: Simplify right side
750,111,470.98x = 261,741,202,698,634,112 - Step 5: Solve for x
x = 261,741,202,698,634,112/750,111,470.98 - Step 6: Final answer
x = 348,936,408.55
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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.