Finding the Fourth Proportional to 1,109,413,248.13, 1,663,727,348.03 and 322,303,145.07
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Solution
The fourth proportional to 1,109,413,248.13, 1,663,727,348.03 and 322,303,145.07 is: 483,340,682.76
Step by Step Solution
- Step 1: Write the proportion equation
1,109,413,248.13 : 1,663,727,348.03 = 322,303,145.07 : x - Step 2: Convert to fraction form
1,109,413,248.13/1,663,727,348.03 = 322,303,145.07/x - Step 3: Cross multiply
1,109,413,248.13x = 1,663,727,348.03 × 322,303,145.07 - Step 4: Simplify right side
1,109,413,248.13x = 536,224,556,814,569,408 - Step 5: Solve for x
x = 536,224,556,814,569,408/1,109,413,248.13 - Step 6: Final answer
x = 483,340,682.76
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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.