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Finding the Fourth Proportional to 586,830,853.60, 880,246,280.40 and 380,206,592.80

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Solution

The fourth proportional to 586,830,853.60, 880,246,280.40 and 380,206,592.80 is: 570,309,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,830,853.60 : 880,246,280.40 = 380,206,592.80 : x
  2. Step 2: Convert to fraction form
    586,830,853.60/880,246,280.40 = 380,206,592.80/x
  3. Step 3: Cross multiply
    586,830,853.60x = 880,246,280.40 × 380,206,592.80
  4. Step 4: Simplify right side
    586,830,853.60x = 334,675,439,095,757,440
  5. Step 5: Solve for x
    x = 334,675,439,095,757,440/586,830,853.60
  6. Step 6: Final answer
    x = 570,309,889.20

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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.