Home / 10,420,237,125.40-15,630,355,688.10-10,347,677,714.20

Finding the Fourth Proportional to 10,420,237,125.40, 15,630,355,688.10 and 10,347,677,714.20

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Solution

The fourth proportional to 10,420,237,125.40, 15,630,355,688.10 and 10,347,677,714.20 is: 15,521,516,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,237,125.40 : 15,630,355,688.10 = 10,347,677,714.20 : x
  2. Step 2: Convert to fraction form
    10,420,237,125.40/15,630,355,688.10 = 10,347,677,714.20/x
  3. Step 3: Cross multiply
    10,420,237,125.40x = 15,630,355,688.10 × 10,347,677,714.20
  4. Step 4: Simplify right side
    10,420,237,125.40x = 161,737,883,218,771,607,552
  5. Step 5: Solve for x
    x = 161,737,883,218,771,607,552/10,420,237,125.40
  6. Step 6: Final answer
    x = 15,521,516,571.30

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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.