Home / 1,028,239,298.82-1,541,282,573.54-430,319,746.35

Finding the Fourth Proportional to 1,028,239,298.82, 1,541,282,573.54 and 430,319,746.35

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Solution

The fourth proportional to 1,028,239,298.82, 1,541,282,573.54 and 430,319,746.35 is: 645,029,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,239,298.82 : 1,541,282,573.54 = 430,319,746.35 : x
  2. Step 2: Convert to fraction form
    1,028,239,298.82/1,541,282,573.54 = 430,319,746.35/x
  3. Step 3: Cross multiply
    1,028,239,298.82x = 1,541,282,573.54 × 430,319,746.35
  4. Step 4: Simplify right side
    1,028,239,298.82x = 663,244,326,097,256,448
  5. Step 5: Solve for x
    x = 663,244,326,097,256,448/1,028,239,298.82
  6. Step 6: Final answer
    x = 645,029,155.04

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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.