Home / 977,535,362.68-1,348,989,316.50-531,498,719.86

Finding the Fourth Proportional to 977,535,362.68, 1,348,989,316.50 and 531,498,719.86

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Solution

The fourth proportional to 977,535,362.68, 1,348,989,316.50 and 531,498,719.86 is: 733,463,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,535,362.68 : 1,348,989,316.50 = 531,498,719.86 : x
  2. Step 2: Convert to fraction form
    977,535,362.68/1,348,989,316.50 = 531,498,719.86/x
  3. Step 3: Cross multiply
    977,535,362.68x = 1,348,989,316.50 × 531,498,719.86
  4. Step 4: Simplify right side
    977,535,362.68x = 716,986,094,824,566,400
  5. Step 5: Solve for x
    x = 716,986,094,824,566,400/977,535,362.68
  6. Step 6: Final answer
    x = 733,463,076.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.