Finding the Fourth Proportional to 1,423,009,209.40, 2,134,513,814.10 and 934,807,823.80
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Solution
The fourth proportional to 1,423,009,209.40, 2,134,513,814.10 and 934,807,823.80 is: 1,402,211,735.70
Step by Step Solution
- Step 1: Write the proportion equation
1,423,009,209.40 : 2,134,513,814.10 = 934,807,823.80 : x - Step 2: Convert to fraction form
1,423,009,209.40/2,134,513,814.10 = 934,807,823.80/x - Step 3: Cross multiply
1,423,009,209.40x = 2,134,513,814.10 × 934,807,823.80 - Step 4: Simplify right side
1,423,009,209.40x = 1,995,360,213,429,858,560 - Step 5: Solve for x
x = 1,995,360,213,429,858,560/1,423,009,209.40 - Step 6: Final answer
x = 1,402,211,735.70
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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.