Home / 1,020,416,590.80-1,408,219,489.10-574,408,733.76

Finding the Fourth Proportional to 1,020,416,590.80, 1,408,219,489.10 and 574,408,733.76

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Solution

The fourth proportional to 1,020,416,590.80, 1,408,219,489.10 and 574,408,733.76 is: 792,709,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,416,590.80 : 1,408,219,489.10 = 574,408,733.76 : x
  2. Step 2: Convert to fraction form
    1,020,416,590.80/1,408,219,489.10 = 574,408,733.76/x
  3. Step 3: Cross multiply
    1,020,416,590.80x = 1,408,219,489.10 × 574,408,733.76
  4. Step 4: Simplify right side
    1,020,416,590.80x = 808,893,573,590,084,992
  5. Step 5: Solve for x
    x = 808,893,573,590,084,992/1,020,416,590.80
  6. Step 6: Final answer
    x = 792,709,155.15

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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.