Home / 7,180,928,349,707.10-9,909,690,679,025.20-3,888,681,857,114.70

Finding the Fourth Proportional to 7,180,928,349,707.10, 9,909,690,679,025.20 and 3,888,681,857,114.70

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Solution

The fourth proportional to 7,180,928,349,707.10, 9,909,690,679,025.20 and 3,888,681,857,114.70 is: 5,366,386,137,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,928,349,707.10 : 9,909,690,679,025.20 = 3,888,681,857,114.70 : x
  2. Step 2: Convert to fraction form
    7,180,928,349,707.10/9,909,690,679,025.20 = 3,888,681,857,114.70/x
  3. Step 3: Cross multiply
    7,180,928,349,707.10x = 9,909,690,679,025.20 × 3,888,681,857,114.70
  4. Step 4: Simplify right side
    7,180,928,349,707.10x = 38,535,634,353,143,946,202,316,800
  5. Step 5: Solve for x
    x = 38,535,634,353,143,946,202,316,800/7,180,928,349,707.10
  6. Step 6: Final answer
    x = 5,366,386,137,903.15

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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.