Home / 726,894,038.70-1,090,341,058.05-266,679,254.70

Finding the Fourth Proportional to 726,894,038.70, 1,090,341,058.05 and 266,679,254.70

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Solution

The fourth proportional to 726,894,038.70, 1,090,341,058.05 and 266,679,254.70 is: 400,018,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,894,038.70 : 1,090,341,058.05 = 266,679,254.70 : x
  2. Step 2: Convert to fraction form
    726,894,038.70/1,090,341,058.05 = 266,679,254.70/x
  3. Step 3: Cross multiply
    726,894,038.70x = 1,090,341,058.05 × 266,679,254.70
  4. Step 4: Simplify right side
    726,894,038.70x = 290,771,340,729,583,424
  5. Step 5: Solve for x
    x = 290,771,340,729,583,424/726,894,038.70
  6. Step 6: Final answer
    x = 400,018,882.05

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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.