Home / 702,051,243.60-1,053,076,865.40-339,254,187.60

Finding the Fourth Proportional to 702,051,243.60, 1,053,076,865.40 and 339,254,187.60

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Solution

The fourth proportional to 702,051,243.60, 1,053,076,865.40 and 339,254,187.60 is: 508,881,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,051,243.60 : 1,053,076,865.40 = 339,254,187.60 : x
  2. Step 2: Convert to fraction form
    702,051,243.60/1,053,076,865.40 = 339,254,187.60/x
  3. Step 3: Cross multiply
    702,051,243.60x = 1,053,076,865.40 × 339,254,187.60
  4. Step 4: Simplify right side
    702,051,243.60x = 357,260,736,451,631,552
  5. Step 5: Solve for x
    x = 357,260,736,451,631,552/702,051,243.60
  6. Step 6: Final answer
    x = 508,881,281.40

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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.