Home / 790,600,809.60-1,185,901,214.40-403,180,320.60

Finding the Fourth Proportional to 790,600,809.60, 1,185,901,214.40 and 403,180,320.60

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Solution

The fourth proportional to 790,600,809.60, 1,185,901,214.40 and 403,180,320.60 is: 604,770,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,600,809.60 : 1,185,901,214.40 = 403,180,320.60 : x
  2. Step 2: Convert to fraction form
    790,600,809.60/1,185,901,214.40 = 403,180,320.60/x
  3. Step 3: Cross multiply
    790,600,809.60x = 1,185,901,214.40 × 403,180,320.60
  4. Step 4: Simplify right side
    790,600,809.60x = 478,132,031,821,721,408
  5. Step 5: Solve for x
    x = 478,132,031,821,721,408/790,600,809.60
  6. Step 6: Final answer
    x = 604,770,480.90

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1.5x scale

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.