Home / 1,437,140,010.40-2,155,710,015.60-977,974,986.40

Finding the Fourth Proportional to 1,437,140,010.40, 2,155,710,015.60 and 977,974,986.40

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Solution

The fourth proportional to 1,437,140,010.40, 2,155,710,015.60 and 977,974,986.40 is: 1,466,962,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,140,010.40 : 2,155,710,015.60 = 977,974,986.40 : x
  2. Step 2: Convert to fraction form
    1,437,140,010.40/2,155,710,015.60 = 977,974,986.40/x
  3. Step 3: Cross multiply
    1,437,140,010.40x = 2,155,710,015.60 × 977,974,986.40
  4. Step 4: Simplify right side
    1,437,140,010.40x = 2,108,230,473,188,753,664
  5. Step 5: Solve for x
    x = 2,108,230,473,188,753,664/1,437,140,010.40
  6. Step 6: Final answer
    x = 1,466,962,479.60

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1.5x scale

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.