Home / 1,055,280,107.20-1,582,920,160.80-885,974,814.40

Finding the Fourth Proportional to 1,055,280,107.20, 1,582,920,160.80 and 885,974,814.40

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Solution

The fourth proportional to 1,055,280,107.20, 1,582,920,160.80 and 885,974,814.40 is: 1,328,962,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,280,107.20 : 1,582,920,160.80 = 885,974,814.40 : x
  2. Step 2: Convert to fraction form
    1,055,280,107.20/1,582,920,160.80 = 885,974,814.40/x
  3. Step 3: Cross multiply
    1,055,280,107.20x = 1,582,920,160.80 × 885,974,814.40
  4. Step 4: Simplify right side
    1,055,280,107.20x = 1,402,427,395,674,798,080
  5. Step 5: Solve for x
    x = 1,402,427,395,674,798,080/1,055,280,107.20
  6. Step 6: Final answer
    x = 1,328,962,221.60

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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.