Home / 7,180,928,349,697-9,909,690,679,010.50-3,888,681,857,104.20

Finding the Fourth Proportional to 7,180,928,349,697, 9,909,690,679,010.50 and 3,888,681,857,104.20

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Solution

The fourth proportional to 7,180,928,349,697, 9,909,690,679,010.50 and 3,888,681,857,104.20 is: 5,366,386,137,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,928,349,697 : 9,909,690,679,010.50 = 3,888,681,857,104.20 : x
  2. Step 2: Convert to fraction form
    7,180,928,349,697/9,909,690,679,010.50 = 3,888,681,857,104.20/x
  3. Step 3: Cross multiply
    7,180,928,349,697x = 9,909,690,679,010.50 × 3,888,681,857,104.20
  4. Step 4: Simplify right side
    7,180,928,349,697x = 38,535,634,352,982,734,604,861,440
  5. Step 5: Solve for x
    x = 38,535,634,352,982,734,604,861,440/7,180,928,349,697
  6. Step 6: Final answer
    x = 5,366,386,137,888.25

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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.