Home / 876,898,303.89-1,314,954,320.67-522,539,710.80

Finding the Fourth Proportional to 876,898,303.89, 1,314,954,320.67 and 522,539,710.80

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Solution

The fourth proportional to 876,898,303.89, 1,314,954,320.67 and 522,539,710.80 is: 783,575,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,898,303.89 : 1,314,954,320.67 = 522,539,710.80 : x
  2. Step 2: Convert to fraction form
    876,898,303.89/1,314,954,320.67 = 522,539,710.80/x
  3. Step 3: Cross multiply
    876,898,303.89x = 1,314,954,320.67 × 522,539,710.80
  4. Step 4: Simplify right side
    876,898,303.89x = 687,115,850,438,112,256
  5. Step 5: Solve for x
    x = 687,115,850,438,112,256/876,898,303.89
  6. Step 6: Final answer
    x = 783,575,298.74

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1.5x scale

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.