Home / 287,064,007.60-430,596,011.40-164,116,116.40

Finding the Fourth Proportional to 287,064,007.60, 430,596,011.40 and 164,116,116.40

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Solution

The fourth proportional to 287,064,007.60, 430,596,011.40 and 164,116,116.40 is: 246,174,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,064,007.60 : 430,596,011.40 = 164,116,116.40 : x
  2. Step 2: Convert to fraction form
    287,064,007.60/430,596,011.40 = 164,116,116.40/x
  3. Step 3: Cross multiply
    287,064,007.60x = 430,596,011.40 × 164,116,116.40
  4. Step 4: Simplify right side
    287,064,007.60x = 70,667,745,128,298,128
  5. Step 5: Solve for x
    x = 70,667,745,128,298,128/287,064,007.60
  6. Step 6: Final answer
    x = 246,174,174.60

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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.