Finding the Fourth Proportional to 804,918,541.47, 1,110,038,170.63 and 522,358,855.91
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Solution
The fourth proportional to 804,918,541.47, 1,110,038,170.63 and 522,358,855.91 is: 720,368,880.77
Step by Step Solution
- Step 1: Write the proportion equation
804,918,541.47 : 1,110,038,170.63 = 522,358,855.91 : x - Step 2: Convert to fraction form
804,918,541.47/1,110,038,170.63 = 522,358,855.91/x - Step 3: Cross multiply
804,918,541.47x = 1,110,038,170.63 × 522,358,855.91 - Step 4: Simplify right side
804,918,541.47x = 579,838,268,826,716,288 - Step 5: Solve for x
x = 579,838,268,826,716,288/804,918,541.47 - Step 6: Final answer
x = 720,368,880.77
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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.