Home / 1,406,670,096.30-1,941,066,444.51-780,127,605.42

Finding the Fourth Proportional to 1,406,670,096.30, 1,941,066,444.51 and 780,127,605.42

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Solution

The fourth proportional to 1,406,670,096.30, 1,941,066,444.51 and 780,127,605.42 is: 1,076,499,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,670,096.30 : 1,941,066,444.51 = 780,127,605.42 : x
  2. Step 2: Convert to fraction form
    1,406,670,096.30/1,941,066,444.51 = 780,127,605.42/x
  3. Step 3: Cross multiply
    1,406,670,096.30x = 1,941,066,444.51 × 780,127,605.42
  4. Step 4: Simplify right side
    1,406,670,096.30x = 1,514,279,517,316,699,392
  5. Step 5: Solve for x
    x = 1,514,279,517,316,699,392/1,406,670,096.30
  6. Step 6: Final answer
    x = 1,076,499,401.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.