Home / 538,903,730.40-808,355,595.60-334,830,386.40

Finding the Fourth Proportional to 538,903,730.40, 808,355,595.60 and 334,830,386.40

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Solution

The fourth proportional to 538,903,730.40, 808,355,595.60 and 334,830,386.40 is: 502,245,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,903,730.40 : 808,355,595.60 = 334,830,386.40 : x
  2. Step 2: Convert to fraction form
    538,903,730.40/808,355,595.60 = 334,830,386.40/x
  3. Step 3: Cross multiply
    538,903,730.40x = 808,355,595.60 × 334,830,386.40
  4. Step 4: Simplify right side
    538,903,730.40x = 270,662,016,423,350,144
  5. Step 5: Solve for x
    x = 270,662,016,423,350,144/538,903,730.40
  6. Step 6: Final answer
    x = 502,245,579.60

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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.