Home / 1,048,984,987.20-1,574,429,263.20-531,775,233.60

Finding the Fourth Proportional to 1,048,984,987.20, 1,574,429,263.20 and 531,775,233.60

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Solution

The fourth proportional to 1,048,984,987.20, 1,574,429,263.20 and 531,775,233.60 is: 798,145,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,984,987.20 : 1,574,429,263.20 = 531,775,233.60 : x
  2. Step 2: Convert to fraction form
    1,048,984,987.20/1,574,429,263.20 = 531,775,233.60/x
  3. Step 3: Cross multiply
    1,048,984,987.20x = 1,574,429,263.20 × 531,775,233.60
  4. Step 4: Simplify right side
    1,048,984,987.20x = 837,242,489,224,855,936
  5. Step 5: Solve for x
    x = 837,242,489,224,855,936/1,048,984,987.20
  6. Step 6: Final answer
    x = 798,145,349.50

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Double scale
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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.