Home / 1,257,125,984.02-1,885,626,293.43-470,121,777.73

Finding the Fourth Proportional to 1,257,125,984.02, 1,885,626,293.43 and 470,121,777.73

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Solution

The fourth proportional to 1,257,125,984.02, 1,885,626,293.43 and 470,121,777.73 is: 705,159,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,125,984.02 : 1,885,626,293.43 = 470,121,777.73 : x
  2. Step 2: Convert to fraction form
    1,257,125,984.02/1,885,626,293.43 = 470,121,777.73/x
  3. Step 3: Cross multiply
    1,257,125,984.02x = 1,885,626,293.43 × 470,121,777.73
  4. Step 4: Simplify right side
    1,257,125,984.02x = 886,473,985,201,742,336
  5. Step 5: Solve for x
    x = 886,473,985,201,742,336/1,257,125,984.02
  6. Step 6: Final answer
    x = 705,159,225.46

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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.