Home / 849,493,812.37-1,172,360,380.22-514,980,434.59

Finding the Fourth Proportional to 849,493,812.37, 1,172,360,380.22 and 514,980,434.59

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Solution

The fourth proportional to 849,493,812.37, 1,172,360,380.22 and 514,980,434.59 is: 710,708,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,493,812.37 : 1,172,360,380.22 = 514,980,434.59 : x
  2. Step 2: Convert to fraction form
    849,493,812.37/1,172,360,380.22 = 514,980,434.59/x
  3. Step 3: Cross multiply
    849,493,812.37x = 1,172,360,380.22 × 514,980,434.59
  4. Step 4: Simplify right side
    849,493,812.37x = 603,742,658,101,793,280
  5. Step 5: Solve for x
    x = 603,742,658,101,793,280/849,493,812.37
  6. Step 6: Final answer
    x = 710,708,717.72

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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.