Home / 528,771,246.30-793,156,869.45-426,734,574.30

Finding the Fourth Proportional to 528,771,246.30, 793,156,869.45 and 426,734,574.30

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Solution

The fourth proportional to 528,771,246.30, 793,156,869.45 and 426,734,574.30 is: 640,101,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,771,246.30 : 793,156,869.45 = 426,734,574.30 : x
  2. Step 2: Convert to fraction form
    528,771,246.30/793,156,869.45 = 426,734,574.30/x
  3. Step 3: Cross multiply
    528,771,246.30x = 793,156,869.45 × 426,734,574.30
  4. Step 4: Simplify right side
    528,771,246.30x = 338,467,459,037,866,432
  5. Step 5: Solve for x
    x = 338,467,459,037,866,432/528,771,246.30
  6. Step 6: Final answer
    x = 640,101,861.45

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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.