Home / 747,398,038.95-1,121,092,980.36-304,738,981.92

Finding the Fourth Proportional to 747,398,038.95, 1,121,092,980.36 and 304,738,981.92

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Solution

The fourth proportional to 747,398,038.95, 1,121,092,980.36 and 304,738,981.92 is: 457,106,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,398,038.95 : 1,121,092,980.36 = 304,738,981.92 : x
  2. Step 2: Convert to fraction form
    747,398,038.95/1,121,092,980.36 = 304,738,981.92/x
  3. Step 3: Cross multiply
    747,398,038.95x = 1,121,092,980.36 × 304,738,981.92
  4. Step 4: Simplify right side
    747,398,038.95x = 341,640,733,471,437,504
  5. Step 5: Solve for x
    x = 341,640,733,471,437,504/747,398,038.95
  6. Step 6: Final answer
    x = 457,106,810.12

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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.