Home / 732,313,306.60-1,009,630,722.54-528,457,593.76

Finding the Fourth Proportional to 732,313,306.60, 1,009,630,722.54 and 528,457,593.76

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Solution

The fourth proportional to 732,313,306.60, 1,009,630,722.54 and 528,457,593.76 is: 728,577,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,313,306.60 : 1,009,630,722.54 = 528,457,593.76 : x
  2. Step 2: Convert to fraction form
    732,313,306.60/1,009,630,722.54 = 528,457,593.76/x
  3. Step 3: Cross multiply
    732,313,306.60x = 1,009,630,722.54 × 528,457,593.76
  4. Step 4: Simplify right side
    732,313,306.60x = 533,547,022,219,658,560
  5. Step 5: Solve for x
    x = 533,547,022,219,658,560/732,313,306.60
  6. Step 6: Final answer
    x = 728,577,532.88

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Double scale
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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.