Home / 21,559,798,643.60-32,339,697,965.40-18,403,464,256.40

Finding the Fourth Proportional to 21,559,798,643.60, 32,339,697,965.40 and 18,403,464,256.40

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Solution

The fourth proportional to 21,559,798,643.60, 32,339,697,965.40 and 18,403,464,256.40 is: 27,605,196,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,798,643.60 : 32,339,697,965.40 = 18,403,464,256.40 : x
  2. Step 2: Convert to fraction form
    21,559,798,643.60/32,339,697,965.40 = 18,403,464,256.40/x
  3. Step 3: Cross multiply
    21,559,798,643.60x = 32,339,697,965.40 × 18,403,464,256.40
  4. Step 4: Simplify right side
    21,559,798,643.60x = 595,162,475,569,010,835,456
  5. Step 5: Solve for x
    x = 595,162,475,569,010,835,456/21,559,798,643.60
  6. Step 6: Final answer
    x = 27,605,196,384.60

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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.