Finding the Fourth Proportional to 1,417,177,339.90, 2,125,766,009.85 and 1,296,646,521.10
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Solution
The fourth proportional to 1,417,177,339.90, 2,125,766,009.85 and 1,296,646,521.10 is: 1,944,969,781.65
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,339.90 : 2,125,766,009.85 = 1,296,646,521.10 : x - Step 2: Convert to fraction form
1,417,177,339.90/2,125,766,009.85 = 1,296,646,521.10/x - Step 3: Cross multiply
1,417,177,339.90x = 2,125,766,009.85 × 1,296,646,521.10 - Step 4: Simplify right side
1,417,177,339.90x = 2,756,367,101,344,630,272 - Step 5: Solve for x
x = 2,756,367,101,344,630,272/1,417,177,339.90 - Step 6: Final answer
x = 1,944,969,781.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.