Home / 1,259,752,624.80-1,889,628,937.20-797,186,378.40

Finding the Fourth Proportional to 1,259,752,624.80, 1,889,628,937.20 and 797,186,378.40

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Solution

The fourth proportional to 1,259,752,624.80, 1,889,628,937.20 and 797,186,378.40 is: 1,195,779,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,752,624.80 : 1,889,628,937.20 = 797,186,378.40 : x
  2. Step 2: Convert to fraction form
    1,259,752,624.80/1,889,628,937.20 = 797,186,378.40/x
  3. Step 3: Cross multiply
    1,259,752,624.80x = 1,889,628,937.20 × 797,186,378.40
  4. Step 4: Simplify right side
    1,259,752,624.80x = 1,506,386,448,966,309,120
  5. Step 5: Solve for x
    x = 1,506,386,448,966,309,120/1,259,752,624.80
  6. Step 6: Final answer
    x = 1,195,779,567.60

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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.