Home / 488,559,740.40-732,768,751.80-143,477,384.40

Finding the Fourth Proportional to 488,559,740.40, 732,768,751.80 and 143,477,384.40

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Solution

The fourth proportional to 488,559,740.40, 732,768,751.80 and 143,477,384.40 is: 215,195,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,559,740.40 : 732,768,751.80 = 143,477,384.40 : x
  2. Step 2: Convert to fraction form
    488,559,740.40/732,768,751.80 = 143,477,384.40/x
  3. Step 3: Cross multiply
    488,559,740.40x = 732,768,751.80 × 143,477,384.40
  4. Step 4: Simplify right side
    488,559,740.40x = 105,135,743,878,316,784
  5. Step 5: Solve for x
    x = 105,135,743,878,316,784/488,559,740.40
  6. Step 6: Final answer
    x = 215,195,267.20

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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.