Finding the Fourth Proportional to 530,830,890.16, 732,860,862.14 and 471,930,868.94
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Solution
The fourth proportional to 530,830,890.16, 732,860,862.14 and 471,930,868.94 is: 651,543,966.06
Step by Step Solution
- Step 1: Write the proportion equation
530,830,890.16 : 732,860,862.14 = 471,930,868.94 : x - Step 2: Convert to fraction form
530,830,890.16/732,860,862.14 = 471,930,868.94/x - Step 3: Cross multiply
530,830,890.16x = 732,860,862.14 × 471,930,868.94 - Step 4: Simplify right side
530,830,890.16x = 345,859,663,483,704,768 - Step 5: Solve for x
x = 345,859,663,483,704,768/530,830,890.16 - Step 6: Final answer
x = 651,543,966.06
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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.