Home / 618,742,405.14-856,112,934.65-539,522,658.86

Finding the Fourth Proportional to 618,742,405.14, 856,112,934.65 and 539,522,658.86

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Solution

The fourth proportional to 618,742,405.14, 856,112,934.65 and 539,522,658.86 is: 746,501,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,742,405.14 : 856,112,934.65 = 539,522,658.86 : x
  2. Step 2: Convert to fraction form
    618,742,405.14/856,112,934.65 = 539,522,658.86/x
  3. Step 3: Cross multiply
    618,742,405.14x = 856,112,934.65 × 539,522,658.86
  4. Step 4: Simplify right side
    618,742,405.14x = 461,892,326,779,827,264
  5. Step 5: Solve for x
    x = 461,892,326,779,827,264/618,742,405.14
  6. Step 6: Final answer
    x = 746,501,812.29

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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.