Home / 540,572,898.88-745,996,480-317,563,979.92

Finding the Fourth Proportional to 540,572,898.88, 745,996,480 and 317,563,979.92

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Solution

The fourth proportional to 540,572,898.88, 745,996,480 and 317,563,979.92 is: 438,241,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,572,898.88 : 745,996,480 = 317,563,979.92 : x
  2. Step 2: Convert to fraction form
    540,572,898.88/745,996,480 = 317,563,979.92/x
  3. Step 3: Cross multiply
    540,572,898.88x = 745,996,480 × 317,563,979.92
  4. Step 4: Simplify right side
    540,572,898.88x = 236,901,611,195,110,688
  5. Step 5: Solve for x
    x = 236,901,611,195,110,688/540,572,898.88
  6. Step 6: Final answer
    x = 438,241,746.28

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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.