Home / 934,776,658.02-1,289,879,402.49-538,428,550.71

Finding the Fourth Proportional to 934,776,658.02, 1,289,879,402.49 and 538,428,550.71

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Solution

The fourth proportional to 934,776,658.02, 1,289,879,402.49 and 538,428,550.71 is: 742,966,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,776,658.02 : 1,289,879,402.49 = 538,428,550.71 : x
  2. Step 2: Convert to fraction form
    934,776,658.02/1,289,879,402.49 = 538,428,550.71/x
  3. Step 3: Cross multiply
    934,776,658.02x = 1,289,879,402.49 × 538,428,550.71
  4. Step 4: Simplify right side
    934,776,658.02x = 694,507,897,273,371,520
  5. Step 5: Solve for x
    x = 694,507,897,273,371,520/934,776,658.02
  6. Step 6: Final answer
    x = 742,966,666.22

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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.