Home / 657,880,014.30-908,287,211.61-423,338,272.04

Finding the Fourth Proportional to 657,880,014.30, 908,287,211.61 and 423,338,272.04

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Solution

The fourth proportional to 657,880,014.30, 908,287,211.61 and 423,338,272.04 is: 584,472,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,880,014.30 : 908,287,211.61 = 423,338,272.04 : x
  2. Step 2: Convert to fraction form
    657,880,014.30/908,287,211.61 = 423,338,272.04/x
  3. Step 3: Cross multiply
    657,880,014.30x = 908,287,211.61 × 423,338,272.04
  4. Step 4: Simplify right side
    657,880,014.30x = 384,512,738,674,465,792
  5. Step 5: Solve for x
    x = 384,512,738,674,465,792/657,880,014.30
  6. Step 6: Final answer
    x = 584,472,442.26

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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.