Finding the Fourth Proportional to 787,652,352.14, 1,086,959,886.53 and 435,225,260.39
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Solution
The fourth proportional to 787,652,352.14, 1,086,959,886.53 and 435,225,260.39 is: 600,610,660.73
Step by Step Solution
- Step 1: Write the proportion equation
787,652,352.14 : 1,086,959,886.53 = 435,225,260.39 : x - Step 2: Convert to fraction form
787,652,352.14/1,086,959,886.53 = 435,225,260.39/x - Step 3: Cross multiply
787,652,352.14x = 1,086,959,886.53 × 435,225,260.39 - Step 4: Simplify right side
787,652,352.14x = 473,072,399,640,893,184 - Step 5: Solve for x
x = 473,072,399,640,893,184/787,652,352.14 - Step 6: Final answer
x = 600,610,660.73
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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.