Home / 630,947,999.40-946,421,999.10-523,452,575.40

Finding the Fourth Proportional to 630,947,999.40, 946,421,999.10 and 523,452,575.40

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Solution

The fourth proportional to 630,947,999.40, 946,421,999.10 and 523,452,575.40 is: 785,178,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,947,999.40 : 946,421,999.10 = 523,452,575.40 : x
  2. Step 2: Convert to fraction form
    630,947,999.40/946,421,999.10 = 523,452,575.40/x
  3. Step 3: Cross multiply
    630,947,999.40x = 946,421,999.10 × 523,452,575.40
  4. Step 4: Simplify right side
    630,947,999.40x = 495,407,032,844,111,488
  5. Step 5: Solve for x
    x = 495,407,032,844,111,488/630,947,999.40
  6. Step 6: Final answer
    x = 785,178,863.10

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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.