Home / 1,430,784,010.40-2,146,176,015.60-409,577,482.40

Finding the Fourth Proportional to 1,430,784,010.40, 2,146,176,015.60 and 409,577,482.40

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Solution

The fourth proportional to 1,430,784,010.40, 2,146,176,015.60 and 409,577,482.40 is: 614,366,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,010.40 : 2,146,176,015.60 = 409,577,482.40 : x
  2. Step 2: Convert to fraction form
    1,430,784,010.40/2,146,176,015.60 = 409,577,482.40/x
  3. Step 3: Cross multiply
    1,430,784,010.40x = 2,146,176,015.60 × 409,577,482.40
  4. Step 4: Simplify right side
    1,430,784,010.40x = 879,025,369,256,711,040
  5. Step 5: Solve for x
    x = 879,025,369,256,711,040/1,430,784,010.40
  6. Step 6: Final answer
    x = 614,366,223.60

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Double scale
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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.