Finding the Fourth Proportional to 703,348,750.36, 969,729,263.58 and 502,645,343.32
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Solution
The fourth proportional to 703,348,750.36, 969,729,263.58 and 502,645,343.32 is: 693,013,101.07
Step by Step Solution
- Step 1: Write the proportion equation
703,348,750.36 : 969,729,263.58 = 502,645,343.32 : x - Step 2: Convert to fraction form
703,348,750.36/969,729,263.58 = 502,645,343.32/x - Step 3: Cross multiply
703,348,750.36x = 969,729,263.58 × 502,645,343.32 - Step 4: Simplify right side
703,348,750.36x = 487,429,898,619,619,904 - Step 5: Solve for x
x = 487,429,898,619,619,904/703,348,750.36 - Step 6: Final answer
x = 693,013,101.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.