Home / 1,430,784,747.10-2,146,247,979.45-742,037,211.10

Finding the Fourth Proportional to 1,430,784,747.10, 2,146,247,979.45 and 742,037,211.10

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Solution

The fourth proportional to 1,430,784,747.10, 2,146,247,979.45 and 742,037,211.10 is: 1,113,092,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,747.10 : 2,146,247,979.45 = 742,037,211.10 : x
  2. Step 2: Convert to fraction form
    1,430,784,747.10/2,146,247,979.45 = 742,037,211.10/x
  3. Step 3: Cross multiply
    1,430,784,747.10x = 2,146,247,979.45 × 742,037,211.10
  4. Step 4: Simplify right side
    1,430,784,747.10x = 1,592,595,865,000,088,320
  5. Step 5: Solve for x
    x = 1,592,595,865,000,088,320/1,430,784,747.10
  6. Step 6: Final answer
    x = 1,113,092,565.62

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Double scale
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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.