Home / 1,076,688,012.60-1,615,032,018.90-349,750,207.80

Finding the Fourth Proportional to 1,076,688,012.60, 1,615,032,018.90 and 349,750,207.80

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Solution

The fourth proportional to 1,076,688,012.60, 1,615,032,018.90 and 349,750,207.80 is: 524,625,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,688,012.60 : 1,615,032,018.90 = 349,750,207.80 : x
  2. Step 2: Convert to fraction form
    1,076,688,012.60/1,615,032,018.90 = 349,750,207.80/x
  3. Step 3: Cross multiply
    1,076,688,012.60x = 1,615,032,018.90 × 349,750,207.80
  4. Step 4: Simplify right side
    1,076,688,012.60x = 564,857,784,213,928,576
  5. Step 5: Solve for x
    x = 564,857,784,213,928,576/1,076,688,012.60
  6. Step 6: Final answer
    x = 524,625,311.70

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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.