Finding the Fourth Proportional to 1,191,577,395.97, 1,787,768,332.97 and 527,499,812.49
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Solution
The fourth proportional to 1,191,577,395.97, 1,787,768,332.97 and 527,499,812.49 is: 791,427,786.06
Step by Step Solution
- Step 1: Write the proportion equation
1,191,577,395.97 : 1,787,768,332.97 = 527,499,812.49 : x - Step 2: Convert to fraction form
1,191,577,395.97/1,787,768,332.97 = 527,499,812.49/x - Step 3: Cross multiply
1,191,577,395.97x = 1,787,768,332.97 × 527,499,812.49 - Step 4: Simplify right side
1,191,577,395.97x = 943,047,460,417,234,944 - Step 5: Solve for x
x = 943,047,460,417,234,944/1,191,577,395.97 - Step 6: Final answer
x = 791,427,786.06
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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.