Finding the Fourth Proportional to 1,408,223,637.83, 2,111,474,522.19 and 671,518,865.99
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Solution
The fourth proportional to 1,408,223,637.83, 2,111,474,522.19 and 671,518,865.99 is: 1,006,867,757.81
Step by Step Solution
- Step 1: Write the proportion equation
1,408,223,637.83 : 2,111,474,522.19 = 671,518,865.99 : x - Step 2: Convert to fraction form
1,408,223,637.83/2,111,474,522.19 = 671,518,865.99/x - Step 3: Cross multiply
1,408,223,637.83x = 2,111,474,522.19 × 671,518,865.99 - Step 4: Simplify right side
1,408,223,637.83x = 1,417,894,976,715,569,152 - Step 5: Solve for x
x = 1,417,894,976,715,569,152/1,408,223,637.83 - Step 6: Final answer
x = 1,006,867,757.81
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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.