Home / 488,559,743.40-732,768,756.30-143,477,387.40

Finding the Fourth Proportional to 488,559,743.40, 732,768,756.30 and 143,477,387.40

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Solution

The fourth proportional to 488,559,743.40, 732,768,756.30 and 143,477,387.40 is: 215,195,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,559,743.40 : 732,768,756.30 = 143,477,387.40 : x
  2. Step 2: Convert to fraction form
    488,559,743.40/732,768,756.30 = 143,477,387.40/x
  3. Step 3: Cross multiply
    488,559,743.40x = 732,768,756.30 × 143,477,387.40
  4. Step 4: Simplify right side
    488,559,743.40x = 105,135,746,722,271,296
  5. Step 5: Solve for x
    x = 105,135,746,722,271,296/488,559,743.40
  6. Step 6: Final answer
    x = 215,195,271.70

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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.