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Finding the Fourth Proportional to 598,768,041.60, 898,152,062.40 and 553,978,281.60

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Solution

The fourth proportional to 598,768,041.60, 898,152,062.40 and 553,978,281.60 is: 830,967,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,768,041.60 : 898,152,062.40 = 553,978,281.60 : x
  2. Step 2: Convert to fraction form
    598,768,041.60/898,152,062.40 = 553,978,281.60/x
  3. Step 3: Cross multiply
    598,768,041.60x = 898,152,062.40 × 553,978,281.60
  4. Step 4: Simplify right side
    598,768,041.60x = 497,556,736,143,848,000
  5. Step 5: Solve for x
    x = 497,556,736,143,848,000/598,768,041.60
  6. Step 6: Final answer
    x = 830,967,422.40

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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.