Finding the Fourth Proportional to 1,758,238,844.20, 2,637,358,266.30 and 723,842,081.80
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Solution
The fourth proportional to 1,758,238,844.20, 2,637,358,266.30 and 723,842,081.80 is: 1,085,763,122.70
Step by Step Solution
- Step 1: Write the proportion equation
1,758,238,844.20 : 2,637,358,266.30 = 723,842,081.80 : x - Step 2: Convert to fraction form
1,758,238,844.20/2,637,358,266.30 = 723,842,081.80/x - Step 3: Cross multiply
1,758,238,844.20x = 2,637,358,266.30 × 723,842,081.80 - Step 4: Simplify right side
1,758,238,844.20x = 1,909,030,897,931,030,784 - Step 5: Solve for x
x = 1,909,030,897,931,030,784/1,758,238,844.20 - Step 6: Final answer
x = 1,085,763,122.70
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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.