Home / 488,559,742.40-732,768,754.80-143,477,386.40

Finding the Fourth Proportional to 488,559,742.40, 732,768,754.80 and 143,477,386.40

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Solution

The fourth proportional to 488,559,742.40, 732,768,754.80 and 143,477,386.40 is: 215,195,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,559,742.40 : 732,768,754.80 = 143,477,386.40 : x
  2. Step 2: Convert to fraction form
    488,559,742.40/732,768,754.80 = 143,477,386.40/x
  3. Step 3: Cross multiply
    488,559,742.40x = 732,768,754.80 × 143,477,386.40
  4. Step 4: Simplify right side
    488,559,742.40x = 105,135,745,774,286,448
  5. Step 5: Solve for x
    x = 105,135,745,774,286,448/488,559,742.40
  6. Step 6: Final answer
    x = 215,195,270.20

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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.