Home / 1,173,528,011.40-1,760,292,017.10-311,885,003.40

Finding the Fourth Proportional to 1,173,528,011.40, 1,760,292,017.10 and 311,885,003.40

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Solution

The fourth proportional to 1,173,528,011.40, 1,760,292,017.10 and 311,885,003.40 is: 467,827,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,528,011.40 : 1,760,292,017.10 = 311,885,003.40 : x
  2. Step 2: Convert to fraction form
    1,173,528,011.40/1,760,292,017.10 = 311,885,003.40/x
  3. Step 3: Cross multiply
    1,173,528,011.40x = 1,760,292,017.10 × 311,885,003.40
  4. Step 4: Simplify right side
    1,173,528,011.40x = 549,008,681,738,226,304
  5. Step 5: Solve for x
    x = 549,008,681,738,226,304/1,173,528,011.40
  6. Step 6: Final answer
    x = 467,827,505.10

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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.