Finding the Fourth Proportional to 1,648,896,656.13, 2,275,466,772.08 and 944,184,840.26
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Solution
The fourth proportional to 1,648,896,656.13, 2,275,466,772.08 and 944,184,840.26 is: 1,302,969,002.16
Step by Step Solution
- Step 1: Write the proportion equation
1,648,896,656.13 : 2,275,466,772.08 = 944,184,840.26 : x - Step 2: Convert to fraction form
1,648,896,656.13/2,275,466,772.08 = 944,184,840.26/x - Step 3: Cross multiply
1,648,896,656.13x = 2,275,466,772.08 × 944,184,840.26 - Step 4: Simplify right side
1,648,896,656.13x = 2,148,461,230,697,194,240 - Step 5: Solve for x
x = 2,148,461,230,697,194,240/1,648,896,656.13 - Step 6: Final answer
x = 1,302,969,002.16
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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.