Home / 1,119,744,777.60-1,679,617,166.40-301,939,747.20

Finding the Fourth Proportional to 1,119,744,777.60, 1,679,617,166.40 and 301,939,747.20

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Solution

The fourth proportional to 1,119,744,777.60, 1,679,617,166.40 and 301,939,747.20 is: 452,909,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,777.60 : 1,679,617,166.40 = 301,939,747.20 : x
  2. Step 2: Convert to fraction form
    1,119,744,777.60/1,679,617,166.40 = 301,939,747.20/x
  3. Step 3: Cross multiply
    1,119,744,777.60x = 1,679,617,166.40 × 301,939,747.20
  4. Step 4: Simplify right side
    1,119,744,777.60x = 507,143,182,615,596,352
  5. Step 5: Solve for x
    x = 507,143,182,615,596,352/1,119,744,777.60
  6. Step 6: Final answer
    x = 452,909,620.80

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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.