Home / 572,942,445,409.54-790,663,032,763.90-312,525,829,692.10

Finding the Fourth Proportional to 572,942,445,409.54, 790,663,032,763.90 and 312,525,829,692.10

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Solution

The fourth proportional to 572,942,445,409.54, 790,663,032,763.90 and 312,525,829,692.10 is: 431,286,985,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,942,445,409.54 : 790,663,032,763.90 = 312,525,829,692.10 : x
  2. Step 2: Convert to fraction form
    572,942,445,409.54/790,663,032,763.90 = 312,525,829,692.10/x
  3. Step 3: Cross multiply
    572,942,445,409.54x = 790,663,032,763.90 × 312,525,829,692.10
  4. Step 4: Simplify right side
    572,942,445,409.54x = 247,102,620,321,409,868,496,896
  5. Step 5: Solve for x
    x = 247,102,620,321,409,868,496,896/572,942,445,409.54
  6. Step 6: Final answer
    x = 431,286,985,806.72

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Double scale
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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.