Home / 1,406,634,585.28-2,110,256,570.76-423,978,918.64

Finding the Fourth Proportional to 1,406,634,585.28, 2,110,256,570.76 and 423,978,918.64

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Solution

The fourth proportional to 1,406,634,585.28, 2,110,256,570.76 and 423,978,918.64 is: 636,060,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,634,585.28 : 2,110,256,570.76 = 423,978,918.64 : x
  2. Step 2: Convert to fraction form
    1,406,634,585.28/2,110,256,570.76 = 423,978,918.64/x
  3. Step 3: Cross multiply
    1,406,634,585.28x = 2,110,256,570.76 × 423,978,918.64
  4. Step 4: Simplify right side
    1,406,634,585.28x = 894,704,298,923,779,456
  5. Step 5: Solve for x
    x = 894,704,298,923,779,456/1,406,634,585.28
  6. Step 6: Final answer
    x = 636,060,216.55

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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.