Home / 956,762,246.40-1,435,143,369.60-520,272,038.40

Finding the Fourth Proportional to 956,762,246.40, 1,435,143,369.60 and 520,272,038.40

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Solution

The fourth proportional to 956,762,246.40, 1,435,143,369.60 and 520,272,038.40 is: 780,408,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,762,246.40 : 1,435,143,369.60 = 520,272,038.40 : x
  2. Step 2: Convert to fraction form
    956,762,246.40/1,435,143,369.60 = 520,272,038.40/x
  3. Step 3: Cross multiply
    956,762,246.40x = 1,435,143,369.60 × 520,272,038.40
  4. Step 4: Simplify right side
    956,762,246.40x = 746,664,966,298,036,480
  5. Step 5: Solve for x
    x = 746,664,966,298,036,480/956,762,246.40
  6. Step 6: Final answer
    x = 780,408,057.60

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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.