Finding the Fourth Proportional to 2,158,537,515.57, 3,237,316,793.11 and 977,338,224.23
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Solution
The fourth proportional to 2,158,537,515.57, 3,237,316,793.11 and 977,338,224.23 is: 1,465,785,710.47
Step by Step Solution
- Step 1: Write the proportion equation
2,158,537,515.57 : 3,237,316,793.11 = 977,338,224.23 : x - Step 2: Convert to fraction form
2,158,537,515.57/3,237,316,793.11 = 977,338,224.23/x - Step 3: Cross multiply
2,158,537,515.57x = 3,237,316,793.11 × 977,338,224.23 - Step 4: Simplify right side
2,158,537,515.57x = 3,163,953,445,844,840,960 - Step 5: Solve for x
x = 3,163,953,445,844,840,960/2,158,537,515.57 - Step 6: Final answer
x = 1,465,785,710.47
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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.