Home / 848,281,280.10-1,272,421,920.15-787,059,276.90

Finding the Fourth Proportional to 848,281,280.10, 1,272,421,920.15 and 787,059,276.90

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Solution

The fourth proportional to 848,281,280.10, 1,272,421,920.15 and 787,059,276.90 is: 1,180,588,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,281,280.10 : 1,272,421,920.15 = 787,059,276.90 : x
  2. Step 2: Convert to fraction form
    848,281,280.10/1,272,421,920.15 = 787,059,276.90/x
  3. Step 3: Cross multiply
    848,281,280.10x = 1,272,421,920.15 × 787,059,276.90
  4. Step 4: Simplify right side
    848,281,280.10x = 1,001,471,476,384,968,576
  5. Step 5: Solve for x
    x = 1,001,471,476,384,968,576/848,281,280.10
  6. Step 6: Final answer
    x = 1,180,588,915.35

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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.