Home / 500,875,139.23-751,428,132.77-173,350,656.18

Finding the Fourth Proportional to 500,875,139.23, 751,428,132.77 and 173,350,656.18

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Solution

The fourth proportional to 500,875,139.23, 751,428,132.77 and 173,350,656.18 is: 260,065,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,875,139.23 : 751,428,132.77 = 173,350,656.18 : x
  2. Step 2: Convert to fraction form
    500,875,139.23/751,428,132.77 = 173,350,656.18/x
  3. Step 3: Cross multiply
    500,875,139.23x = 751,428,132.77 × 173,350,656.18
  4. Step 4: Simplify right side
    500,875,139.23x = 130,260,559,888,225,056
  5. Step 5: Solve for x
    x = 130,260,559,888,225,056/500,875,139.23
  6. Step 6: Final answer
    x = 260,065,931.98

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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.