Home / 1,051,406,681.20-1,577,110,021.80-779,308,889.20

Finding the Fourth Proportional to 1,051,406,681.20, 1,577,110,021.80 and 779,308,889.20

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Solution

The fourth proportional to 1,051,406,681.20, 1,577,110,021.80 and 779,308,889.20 is: 1,168,963,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,406,681.20 : 1,577,110,021.80 = 779,308,889.20 : x
  2. Step 2: Convert to fraction form
    1,051,406,681.20/1,577,110,021.80 = 779,308,889.20/x
  3. Step 3: Cross multiply
    1,051,406,681.20x = 1,577,110,021.80 × 779,308,889.20
  4. Step 4: Simplify right side
    1,051,406,681.20x = 1,229,055,859,235,145,728
  5. Step 5: Solve for x
    x = 1,229,055,859,235,145,728/1,051,406,681.20
  6. Step 6: Final answer
    x = 1,168,963,333.80

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Double scale
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Similar ratio
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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.