Home / 1,381,050,136.11-1,905,849,952.38-745,970,624.67

Finding the Fourth Proportional to 1,381,050,136.11, 1,905,849,952.38 and 745,970,624.67

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Solution

The fourth proportional to 1,381,050,136.11, 1,905,849,952.38 and 745,970,624.67 is: 1,029,439,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,050,136.11 : 1,905,849,952.38 = 745,970,624.67 : x
  2. Step 2: Convert to fraction form
    1,381,050,136.11/1,905,849,952.38 = 745,970,624.67/x
  3. Step 3: Cross multiply
    1,381,050,136.11x = 1,905,849,952.38 × 745,970,624.67
  4. Step 4: Simplify right side
    1,381,050,136.11x = 1,421,708,079,500,672,512
  5. Step 5: Solve for x
    x = 1,421,708,079,500,672,512/1,381,050,136.11
  6. Step 6: Final answer
    x = 1,029,439,875.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.