Home / 1,076,688,013.60-1,615,032,020.40-349,750,208.80

Finding the Fourth Proportional to 1,076,688,013.60, 1,615,032,020.40 and 349,750,208.80

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Solution

The fourth proportional to 1,076,688,013.60, 1,615,032,020.40 and 349,750,208.80 is: 524,625,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,688,013.60 : 1,615,032,020.40 = 349,750,208.80 : x
  2. Step 2: Convert to fraction form
    1,076,688,013.60/1,615,032,020.40 = 349,750,208.80/x
  3. Step 3: Cross multiply
    1,076,688,013.60x = 1,615,032,020.40 × 349,750,208.80
  4. Step 4: Simplify right side
    1,076,688,013.60x = 564,857,786,353,585,920
  5. Step 5: Solve for x
    x = 564,857,786,353,585,920/1,076,688,013.60
  6. Step 6: Final answer
    x = 524,625,313.20

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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.