Home / 579,577,820.40-869,366,730.60-522,246,927.60

Finding the Fourth Proportional to 579,577,820.40, 869,366,730.60 and 522,246,927.60

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Solution

The fourth proportional to 579,577,820.40, 869,366,730.60 and 522,246,927.60 is: 783,370,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,577,820.40 : 869,366,730.60 = 522,246,927.60 : x
  2. Step 2: Convert to fraction form
    579,577,820.40/869,366,730.60 = 522,246,927.60/x
  3. Step 3: Cross multiply
    579,577,820.40x = 869,366,730.60 × 522,246,927.60
  4. Step 4: Simplify right side
    579,577,820.40x = 454,024,104,013,506,944
  5. Step 5: Solve for x
    x = 454,024,104,013,506,944/579,577,820.40
  6. Step 6: Final answer
    x = 783,370,391.40

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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.