Home / 890,356,931.70-1,335,535,397.55-758,346,987.30

Finding the Fourth Proportional to 890,356,931.70, 1,335,535,397.55 and 758,346,987.30

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Solution

The fourth proportional to 890,356,931.70, 1,335,535,397.55 and 758,346,987.30 is: 1,137,520,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,356,931.70 : 1,335,535,397.55 = 758,346,987.30 : x
  2. Step 2: Convert to fraction form
    890,356,931.70/1,335,535,397.55 = 758,346,987.30/x
  3. Step 3: Cross multiply
    890,356,931.70x = 1,335,535,397.55 × 758,346,987.30
  4. Step 4: Simplify right side
    890,356,931.70x = 1,012,799,245,164,550,144
  5. Step 5: Solve for x
    x = 1,012,799,245,164,550,144/890,356,931.70
  6. Step 6: Final answer
    x = 1,137,520,480.95

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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.