Home / 1,125,648,002.80-1,688,472,004.20-944,249,474.80

Finding the Fourth Proportional to 1,125,648,002.80, 1,688,472,004.20 and 944,249,474.80

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Solution

The fourth proportional to 1,125,648,002.80, 1,688,472,004.20 and 944,249,474.80 is: 1,416,374,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,648,002.80 : 1,688,472,004.20 = 944,249,474.80 : x
  2. Step 2: Convert to fraction form
    1,125,648,002.80/1,688,472,004.20 = 944,249,474.80/x
  3. Step 3: Cross multiply
    1,125,648,002.80x = 1,688,472,004.20 × 944,249,474.80
  4. Step 4: Simplify right side
    1,125,648,002.80x = 1,594,338,803,180,353,280
  5. Step 5: Solve for x
    x = 1,594,338,803,180,353,280/1,125,648,002.80
  6. Step 6: Final answer
    x = 1,416,374,212.20

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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.