Home / 927,077,319.60-1,390,615,979.40-280,845,063.60

Finding the Fourth Proportional to 927,077,319.60, 1,390,615,979.40 and 280,845,063.60

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Solution

The fourth proportional to 927,077,319.60, 1,390,615,979.40 and 280,845,063.60 is: 421,267,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,077,319.60 : 1,390,615,979.40 = 280,845,063.60 : x
  2. Step 2: Convert to fraction form
    927,077,319.60/1,390,615,979.40 = 280,845,063.60/x
  3. Step 3: Cross multiply
    927,077,319.60x = 1,390,615,979.40 × 280,845,063.60
  4. Step 4: Simplify right side
    927,077,319.60x = 390,547,633,177,769,344
  5. Step 5: Solve for x
    x = 390,547,633,177,769,344/927,077,319.60
  6. Step 6: Final answer
    x = 421,267,595.40

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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.