Home / 1,186,301,913.40-1,779,452,870.10-324,658,905.40

Finding the Fourth Proportional to 1,186,301,913.40, 1,779,452,870.10 and 324,658,905.40

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Solution

The fourth proportional to 1,186,301,913.40, 1,779,452,870.10 and 324,658,905.40 is: 486,988,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,301,913.40 : 1,779,452,870.10 = 324,658,905.40 : x
  2. Step 2: Convert to fraction form
    1,186,301,913.40/1,779,452,870.10 = 324,658,905.40/x
  3. Step 3: Cross multiply
    1,186,301,913.40x = 1,779,452,870.10 × 324,658,905.40
  4. Step 4: Simplify right side
    1,186,301,913.40x = 577,715,221,017,554,304
  5. Step 5: Solve for x
    x = 577,715,221,017,554,304/1,186,301,913.40
  6. Step 6: Final answer
    x = 486,988,358.10

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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.