Finding the Fourth Proportional to 888,130,690.30, 1,225,634,862.63 and 486,237,733.66
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Solution
The fourth proportional to 888,130,690.30, 1,225,634,862.63 and 486,237,733.66 is: 671,016,016.46
Step by Step Solution
- Step 1: Write the proportion equation
888,130,690.30 : 1,225,634,862.63 = 486,237,733.66 : x - Step 2: Convert to fraction form
888,130,690.30/1,225,634,862.63 = 486,237,733.66/x - Step 3: Cross multiply
888,130,690.30x = 1,225,634,862.63 × 486,237,733.66 - Step 4: Simplify right side
888,130,690.30x = 595,949,917,899,896,704 - Step 5: Solve for x
x = 595,949,917,899,896,704/888,130,690.30 - Step 6: Final answer
x = 671,016,016.46
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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.