Home / 2,989,538,009.40-4,484,307,014.10-1,242,160,001.40

Finding the Fourth Proportional to 2,989,538,009.40, 4,484,307,014.10 and 1,242,160,001.40

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Solution

The fourth proportional to 2,989,538,009.40, 4,484,307,014.10 and 1,242,160,001.40 is: 1,863,240,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,538,009.40 : 4,484,307,014.10 = 1,242,160,001.40 : x
  2. Step 2: Convert to fraction form
    2,989,538,009.40/4,484,307,014.10 = 1,242,160,001.40/x
  3. Step 3: Cross multiply
    2,989,538,009.40x = 4,484,307,014.10 × 1,242,160,001.40
  4. Step 4: Simplify right side
    2,989,538,009.40x = 5,570,226,806,912,486,400
  5. Step 5: Solve for x
    x = 5,570,226,806,912,486,400/2,989,538,009.40
  6. Step 6: Final answer
    x = 1,863,240,002.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.