Home / 437,005,482.81-603,060,432.69-238,762,711.20

Finding the Fourth Proportional to 437,005,482.81, 603,060,432.69 and 238,762,711.20

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Solution

The fourth proportional to 437,005,482.81, 603,060,432.69 and 238,762,711.20 is: 329,488,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,005,482.81 : 603,060,432.69 = 238,762,711.20 : x
  2. Step 2: Convert to fraction form
    437,005,482.81/603,060,432.69 = 238,762,711.20/x
  3. Step 3: Cross multiply
    437,005,482.81x = 603,060,432.69 × 238,762,711.20
  4. Step 4: Simplify right side
    437,005,482.81x = 143,988,343,926,509,520
  5. Step 5: Solve for x
    x = 143,988,343,926,509,520/437,005,482.81
  6. Step 6: Final answer
    x = 329,488,643.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.