Finding the Fourth Proportional to 2,130,564,901,057.30, 3,196,317,421,691.70 and 621,450,174,927.72
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Solution
The fourth proportional to 2,130,564,901,057.30, 3,196,317,421,691.70 and 621,450,174,927.72 is: 932,312,373,985.46
Step by Step Solution
- Step 1: Write the proportion equation
2,130,564,901,057.30 : 3,196,317,421,691.70 = 621,450,174,927.72 : x - Step 2: Convert to fraction form
2,130,564,901,057.30/3,196,317,421,691.70 = 621,450,174,927.72/x - Step 3: Cross multiply
2,130,564,901,057.30x = 3,196,317,421,691.70 × 621,450,174,927.72 - Step 4: Simplify right side
2,130,564,901,057.30x = 1,986,352,020,834,825,975,889,920 - Step 5: Solve for x
x = 1,986,352,020,834,825,975,889,920/2,130,564,901,057.30 - Step 6: Final answer
x = 932,312,373,985.46
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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.