Home / 293,184,421.40-439,776,632.10-189,720,075.80

Finding the Fourth Proportional to 293,184,421.40, 439,776,632.10 and 189,720,075.80

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Solution

The fourth proportional to 293,184,421.40, 439,776,632.10 and 189,720,075.80 is: 284,580,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,184,421.40 : 439,776,632.10 = 189,720,075.80 : x
  2. Step 2: Convert to fraction form
    293,184,421.40/439,776,632.10 = 189,720,075.80/x
  3. Step 3: Cross multiply
    293,184,421.40x = 439,776,632.10 × 189,720,075.80
  4. Step 4: Simplify right side
    293,184,421.40x = 83,434,455,977,080,720
  5. Step 5: Solve for x
    x = 83,434,455,977,080,720/293,184,421.40
  6. Step 6: Final answer
    x = 284,580,113.70

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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.