Home / 807,178,216.08-1,113,905,931.62-435,900,214.65

Finding the Fourth Proportional to 807,178,216.08, 1,113,905,931.62 and 435,900,214.65

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Solution

The fourth proportional to 807,178,216.08, 1,113,905,931.62 and 435,900,214.65 is: 601,542,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178,216.08 : 1,113,905,931.62 = 435,900,214.65 : x
  2. Step 2: Convert to fraction form
    807,178,216.08/1,113,905,931.62 = 435,900,214.65/x
  3. Step 3: Cross multiply
    807,178,216.08x = 1,113,905,931.62 × 435,900,214.65
  4. Step 4: Simplify right side
    807,178,216.08x = 485,551,834,688,586,368
  5. Step 5: Solve for x
    x = 485,551,834,688,586,368/807,178,216.08
  6. Step 6: Final answer
    x = 601,542,292.67

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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.