Home / 5,113,155,763.20-7,669,733,644.80-4,912,497,638.40

Finding the Fourth Proportional to 5,113,155,763.20, 7,669,733,644.80 and 4,912,497,638.40

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Solution

The fourth proportional to 5,113,155,763.20, 7,669,733,644.80 and 4,912,497,638.40 is: 7,368,746,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,155,763.20 : 7,669,733,644.80 = 4,912,497,638.40 : x
  2. Step 2: Convert to fraction form
    5,113,155,763.20/7,669,733,644.80 = 4,912,497,638.40/x
  3. Step 3: Cross multiply
    5,113,155,763.20x = 7,669,733,644.80 × 4,912,497,638.40
  4. Step 4: Simplify right side
    5,113,155,763.20x = 37,677,548,417,237,024,768
  5. Step 5: Solve for x
    x = 37,677,548,417,237,024,768/5,113,155,763.20
  6. Step 6: Final answer
    x = 7,368,746,457.60

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Double scale
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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.