Home / 672,031,868.40-1,008,047,802.60-535,982,972.40

Finding the Fourth Proportional to 672,031,868.40, 1,008,047,802.60 and 535,982,972.40

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Solution

The fourth proportional to 672,031,868.40, 1,008,047,802.60 and 535,982,972.40 is: 803,974,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031,868.40 : 1,008,047,802.60 = 535,982,972.40 : x
  2. Step 2: Convert to fraction form
    672,031,868.40/1,008,047,802.60 = 535,982,972.40/x
  3. Step 3: Cross multiply
    672,031,868.40x = 1,008,047,802.60 × 535,982,972.40
  4. Step 4: Simplify right side
    672,031,868.40x = 540,296,457,558,836,416
  5. Step 5: Solve for x
    x = 540,296,457,558,836,416/672,031,868.40
  6. Step 6: Final answer
    x = 803,974,458.60

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Double scale
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1.5x scale

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.