Finding the Fourth Proportional to 1,296,471,432.08, 1,944,712,134.48 and 313,896,334.52
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Solution
The fourth proportional to 1,296,471,432.08, 1,944,712,134.48 and 313,896,334.52 is: 470,845,709.06
Step by Step Solution
- Step 1: Write the proportion equation
1,296,471,432.08 : 1,944,712,134.48 = 313,896,334.52 : x - Step 2: Convert to fraction form
1,296,471,432.08/1,944,712,134.48 = 313,896,334.52/x - Step 3: Cross multiply
1,296,471,432.08x = 1,944,712,134.48 × 313,896,334.52 - Step 4: Simplify right side
1,296,471,432.08x = 610,438,010,709,837,312 - Step 5: Solve for x
x = 610,438,010,709,837,312/1,296,471,432.08 - Step 6: Final answer
x = 470,845,709.06
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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.