Home / 915,624,000.30-1,373,436,000.45-879,911,165.10

Finding the Fourth Proportional to 915,624,000.30, 1,373,436,000.45 and 879,911,165.10

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Solution

The fourth proportional to 915,624,000.30, 1,373,436,000.45 and 879,911,165.10 is: 1,319,866,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,624,000.30 : 1,373,436,000.45 = 879,911,165.10 : x
  2. Step 2: Convert to fraction form
    915,624,000.30/1,373,436,000.45 = 879,911,165.10/x
  3. Step 3: Cross multiply
    915,624,000.30x = 1,373,436,000.45 × 879,911,165.10
  4. Step 4: Simplify right side
    915,624,000.30x = 1,208,501,671,346,243,584
  5. Step 5: Solve for x
    x = 1,208,501,671,346,243,584/915,624,000.30
  6. Step 6: Final answer
    x = 1,319,866,747.65

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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.