Home / 1,429,158,139.30-2,143,737,208.95-611,353,108.90

Finding the Fourth Proportional to 1,429,158,139.30, 2,143,737,208.95 and 611,353,108.90

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Solution

The fourth proportional to 1,429,158,139.30, 2,143,737,208.95 and 611,353,108.90 is: 917,029,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,158,139.30 : 2,143,737,208.95 = 611,353,108.90 : x
  2. Step 2: Convert to fraction form
    1,429,158,139.30/2,143,737,208.95 = 611,353,108.90/x
  3. Step 3: Cross multiply
    1,429,158,139.30x = 2,143,737,208.95 × 611,353,108.90
  4. Step 4: Simplify right side
    1,429,158,139.30x = 1,310,580,407,356,191,488
  5. Step 5: Solve for x
    x = 1,310,580,407,356,191,488/1,429,158,139.30
  6. Step 6: Final answer
    x = 917,029,663.35

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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.