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Finding the Fourth Proportional to 1,574,652,237.80, 2,361,978,356.70 and 954,779,455.40

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Solution

The fourth proportional to 1,574,652,237.80, 2,361,978,356.70 and 954,779,455.40 is: 1,432,169,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,652,237.80 : 2,361,978,356.70 = 954,779,455.40 : x
  2. Step 2: Convert to fraction form
    1,574,652,237.80/2,361,978,356.70 = 954,779,455.40/x
  3. Step 3: Cross multiply
    1,574,652,237.80x = 2,361,978,356.70 × 954,779,455.40
  4. Step 4: Simplify right side
    1,574,652,237.80x = 2,255,168,409,076,612,608
  5. Step 5: Solve for x
    x = 2,255,168,409,076,612,608/1,574,652,237.80
  6. Step 6: Final answer
    x = 1,432,169,183.10

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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.