Home / 384,196,660.10-530,191,275.27-207,984,526.46

Finding the Fourth Proportional to 384,196,660.10, 530,191,275.27 and 207,984,526.46

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Solution

The fourth proportional to 384,196,660.10, 530,191,275.27 and 207,984,526.46 is: 287,018,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,196,660.10 : 530,191,275.27 = 207,984,526.46 : x
  2. Step 2: Convert to fraction form
    384,196,660.10/530,191,275.27 = 207,984,526.46/x
  3. Step 3: Cross multiply
    384,196,660.10x = 530,191,275.27 × 207,984,526.46
  4. Step 4: Simplify right side
    384,196,660.10x = 110,271,581,320,254,464
  5. Step 5: Solve for x
    x = 110,271,581,320,254,464/384,196,660.10
  6. Step 6: Final answer
    x = 287,018,583.90

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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.