Home / 1,154,754,319.20-1,728,730,256.40-1,087,485,698.40

Finding the Fourth Proportional to 1,154,754,319.20, 1,728,730,256.40 and 1,087,485,698.40

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Solution

The fourth proportional to 1,154,754,319.20, 1,728,730,256.40 and 1,087,485,698.40 is: 1,628,025,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,754,319.20 : 1,728,730,256.40 = 1,087,485,698.40 : x
  2. Step 2: Convert to fraction form
    1,154,754,319.20/1,728,730,256.40 = 1,087,485,698.40/x
  3. Step 3: Cross multiply
    1,154,754,319.20x = 1,728,730,256.40 × 1,087,485,698.40
  4. Step 4: Simplify right side
    1,154,754,319.20x = 1,879,969,430,226,365,440
  5. Step 5: Solve for x
    x = 1,879,969,430,226,365,440/1,154,754,319.20
  6. Step 6: Final answer
    x = 1,628,025,458.72

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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.