Home / 1,435,438,739.50-2,153,158,106.84-344,921,807.50

Finding the Fourth Proportional to 1,435,438,739.50, 2,153,158,106.84 and 344,921,807.50

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Solution

The fourth proportional to 1,435,438,739.50, 2,153,158,106.84 and 344,921,807.50 is: 517,382,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,438,739.50 : 2,153,158,106.84 = 344,921,807.50 : x
  2. Step 2: Convert to fraction form
    1,435,438,739.50/2,153,158,106.84 = 344,921,807.50/x
  3. Step 3: Cross multiply
    1,435,438,739.50x = 2,153,158,106.84 × 344,921,807.50
  4. Step 4: Simplify right side
    1,435,438,739.50x = 742,671,186,044,530,944
  5. Step 5: Solve for x
    x = 742,671,186,044,530,944/1,435,438,739.50
  6. Step 6: Final answer
    x = 517,382,710.67

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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.