Home / 915,624,192.30-1,373,436,288.45-879,911,357.10

Finding the Fourth Proportional to 915,624,192.30, 1,373,436,288.45 and 879,911,357.10

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Solution

The fourth proportional to 915,624,192.30, 1,373,436,288.45 and 879,911,357.10 is: 1,319,867,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,624,192.30 : 1,373,436,288.45 = 879,911,357.10 : x
  2. Step 2: Convert to fraction form
    915,624,192.30/1,373,436,288.45 = 879,911,357.10/x
  3. Step 3: Cross multiply
    915,624,192.30x = 1,373,436,288.45 × 879,911,357.10
  4. Step 4: Simplify right side
    915,624,192.30x = 1,208,502,188,460,426,752
  5. Step 5: Solve for x
    x = 1,208,502,188,460,426,752/915,624,192.30
  6. Step 6: Final answer
    x = 1,319,867,035.65

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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.