Home / 9,478,529,831.64-13,080,414,863.76-5,249,353,059.12

Finding the Fourth Proportional to 9,478,529,831.64, 13,080,414,863.76 and 5,249,353,059.12

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Solution

The fourth proportional to 9,478,529,831.64, 13,080,414,863.76 and 5,249,353,059.12 is: 7,244,131,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,529,831.64 : 13,080,414,863.76 = 5,249,353,059.12 : x
  2. Step 2: Convert to fraction form
    9,478,529,831.64/13,080,414,863.76 = 5,249,353,059.12/x
  3. Step 3: Cross multiply
    9,478,529,831.64x = 13,080,414,863.76 × 5,249,353,059.12
  4. Step 4: Simplify right side
    9,478,529,831.64x = 68,663,715,779,637,272,576
  5. Step 5: Solve for x
    x = 68,663,715,779,637,272,576/9,478,529,831.64
  6. Step 6: Final answer
    x = 7,244,131,421.14

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1.5x scale

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.