Home / 1,564,865,987.40-2,347,298,981.10-1,105,700,963.40

Finding the Fourth Proportional to 1,564,865,987.40, 2,347,298,981.10 and 1,105,700,963.40

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Solution

The fourth proportional to 1,564,865,987.40, 2,347,298,981.10 and 1,105,700,963.40 is: 1,658,551,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,865,987.40 : 2,347,298,981.10 = 1,105,700,963.40 : x
  2. Step 2: Convert to fraction form
    1,564,865,987.40/2,347,298,981.10 = 1,105,700,963.40/x
  3. Step 3: Cross multiply
    1,564,865,987.40x = 2,347,298,981.10 × 1,105,700,963.40
  4. Step 4: Simplify right side
    1,564,865,987.40x = 2,595,410,744,790,108,672
  5. Step 5: Solve for x
    x = 2,595,410,744,790,108,672/1,564,865,987.40
  6. Step 6: Final answer
    x = 1,658,551,445.10

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Double scale
Find fourth proportional to 1,564,865,988.40, 2,347,298,982.60 and 1,105,700,964.40
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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.