Home / 563,459,047.20-845,188,570.80-345,780,813.60

Finding the Fourth Proportional to 563,459,047.20, 845,188,570.80 and 345,780,813.60

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Solution

The fourth proportional to 563,459,047.20, 845,188,570.80 and 345,780,813.60 is: 518,671,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,459,047.20 : 845,188,570.80 = 345,780,813.60 : x
  2. Step 2: Convert to fraction form
    563,459,047.20/845,188,570.80 = 345,780,813.60/x
  3. Step 3: Cross multiply
    563,459,047.20x = 845,188,570.80 × 345,780,813.60
  4. Step 4: Simplify right side
    563,459,047.20x = 292,249,991,656,645,184
  5. Step 5: Solve for x
    x = 292,249,991,656,645,184/563,459,047.20
  6. Step 6: Final answer
    x = 518,671,220.40

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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.