Home / 748,663,580.56-1,123,547,000.28-355,191,837.52

Finding the Fourth Proportional to 748,663,580.56, 1,123,547,000.28 and 355,191,837.52

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Solution

The fourth proportional to 748,663,580.56, 1,123,547,000.28 and 355,191,837.52 is: 533,049,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,663,580.56 : 1,123,547,000.28 = 355,191,837.52 : x
  2. Step 2: Convert to fraction form
    748,663,580.56/1,123,547,000.28 = 355,191,837.52/x
  3. Step 3: Cross multiply
    748,663,580.56x = 1,123,547,000.28 × 355,191,837.52
  4. Step 4: Simplify right side
    748,663,580.56x = 399,074,723,569,537,152
  5. Step 5: Solve for x
    x = 399,074,723,569,537,152/748,663,580.56
  6. Step 6: Final answer
    x = 533,049,468.32

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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.