Home / 354,411,345.93-489,087,746.02-195,641,561.13

Finding the Fourth Proportional to 354,411,345.93, 489,087,746.02 and 195,641,561.13

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Solution

The fourth proportional to 354,411,345.93, 489,087,746.02 and 195,641,561.13 is: 269,985,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,411,345.93 : 489,087,746.02 = 195,641,561.13 : x
  2. Step 2: Convert to fraction form
    354,411,345.93/489,087,746.02 = 195,641,561.13/x
  3. Step 3: Cross multiply
    354,411,345.93x = 489,087,746.02 × 195,641,561.13
  4. Step 4: Simplify right side
    354,411,345.93x = 95,685,890,160,905,744
  5. Step 5: Solve for x
    x = 95,685,890,160,905,744/354,411,345.93
  6. Step 6: Final answer
    x = 269,985,403.29

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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.