Home / 1,077,051,119.40-1,615,576,679.10-421,784,366.40

Finding the Fourth Proportional to 1,077,051,119.40, 1,615,576,679.10 and 421,784,366.40

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Solution

The fourth proportional to 1,077,051,119.40, 1,615,576,679.10 and 421,784,366.40 is: 632,676,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,051,119.40 : 1,615,576,679.10 = 421,784,366.40 : x
  2. Step 2: Convert to fraction form
    1,077,051,119.40/1,615,576,679.10 = 421,784,366.40/x
  3. Step 3: Cross multiply
    1,077,051,119.40x = 1,615,576,679.10 × 421,784,366.40
  4. Step 4: Simplify right side
    1,077,051,119.40x = 681,424,985,964,809,600
  5. Step 5: Solve for x
    x = 681,424,985,964,809,600/1,077,051,119.40
  6. Step 6: Final answer
    x = 632,676,549.60

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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.