Home / 517,545,699.89-714,210,216.89-282,594,688.52

Finding the Fourth Proportional to 517,545,699.89, 714,210,216.89 and 282,594,688.52

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Solution

The fourth proportional to 517,545,699.89, 714,210,216.89 and 282,594,688.52 is: 389,979,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,545,699.89 : 714,210,216.89 = 282,594,688.52 : x
  2. Step 2: Convert to fraction form
    517,545,699.89/714,210,216.89 = 282,594,688.52/x
  3. Step 3: Cross multiply
    517,545,699.89x = 714,210,216.89 × 282,594,688.52
  4. Step 4: Simplify right side
    517,545,699.89x = 201,832,013,774,847,168
  5. Step 5: Solve for x
    x = 201,832,013,774,847,168/517,545,699.89
  6. Step 6: Final answer
    x = 389,979,114.54

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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.