Home / 971,301,244.62-1,340,833,452.21-619,350,308.94

Finding the Fourth Proportional to 971,301,244.62, 1,340,833,452.21 and 619,350,308.94

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Solution

The fourth proportional to 971,301,244.62, 1,340,833,452.21 and 619,350,308.94 is: 854,982,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,301,244.62 : 1,340,833,452.21 = 619,350,308.94 : x
  2. Step 2: Convert to fraction form
    971,301,244.62/1,340,833,452.21 = 619,350,308.94/x
  3. Step 3: Cross multiply
    971,301,244.62x = 1,340,833,452.21 × 619,350,308.94
  4. Step 4: Simplify right side
    971,301,244.62x = 830,445,612,863,350,272
  5. Step 5: Solve for x
    x = 830,445,612,863,350,272/971,301,244.62
  6. Step 6: Final answer
    x = 854,982,547.86

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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.