Home / 537,759,526.40-805,967,443.20-393,984,396.80

Finding the Fourth Proportional to 537,759,526.40, 805,967,443.20 and 393,984,396.80

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Solution

The fourth proportional to 537,759,526.40, 805,967,443.20 and 393,984,396.80 is: 590,484,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,759,526.40 : 805,967,443.20 = 393,984,396.80 : x
  2. Step 2: Convert to fraction form
    537,759,526.40/805,967,443.20 = 393,984,396.80/x
  3. Step 3: Cross multiply
    537,759,526.40x = 805,967,443.20 × 393,984,396.80
  4. Step 4: Simplify right side
    537,759,526.40x = 317,538,596,949,590,272
  5. Step 5: Solve for x
    x = 317,538,596,949,590,272/537,759,526.40
  6. Step 6: Final answer
    x = 590,484,373.33

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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.