Home / 403,710,979.60-605,849,904.60-173,845,032.40

Finding the Fourth Proportional to 403,710,979.60, 605,849,904.60 and 173,845,032.40

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Solution

The fourth proportional to 403,710,979.60, 605,849,904.60 and 173,845,032.40 is: 260,889,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,710,979.60 : 605,849,904.60 = 173,845,032.40 : x
  2. Step 2: Convert to fraction form
    403,710,979.60/605,849,904.60 = 173,845,032.40/x
  3. Step 3: Cross multiply
    403,710,979.60x = 605,849,904.60 × 173,845,032.40
  4. Step 4: Simplify right side
    403,710,979.60x = 105,323,996,294,723,920
  5. Step 5: Solve for x
    x = 105,323,996,294,723,920/403,710,979.60
  6. Step 6: Final answer
    x = 260,889,600.77

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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.