Finding the Fourth Proportional to 1,437,119,668.64, 1,983,250,971.96 and 842,832,780.68
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Solution
The fourth proportional to 1,437,119,668.64, 1,983,250,971.96 and 842,832,780.68 is: 1,163,124,385.50
Step by Step Solution
- Step 1: Write the proportion equation
1,437,119,668.64 : 1,983,250,971.96 = 842,832,780.68 : x - Step 2: Convert to fraction form
1,437,119,668.64/1,983,250,971.96 = 842,832,780.68/x - Step 3: Cross multiply
1,437,119,668.64x = 1,983,250,971.96 × 842,832,780.68 - Step 4: Simplify right side
1,437,119,668.64x = 1,671,548,931,483,359,488 - Step 5: Solve for x
x = 1,671,548,931,483,359,488/1,437,119,668.64 - Step 6: Final answer
x = 1,163,124,385.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.