Home / 868,902,001.40-1,303,353,002.10-501,569,982.20

Finding the Fourth Proportional to 868,902,001.40, 1,303,353,002.10 and 501,569,982.20

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Solution

The fourth proportional to 868,902,001.40, 1,303,353,002.10 and 501,569,982.20 is: 752,354,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,902,001.40 : 1,303,353,002.10 = 501,569,982.20 : x
  2. Step 2: Convert to fraction form
    868,902,001.40/1,303,353,002.10 = 501,569,982.20/x
  3. Step 3: Cross multiply
    868,902,001.40x = 1,303,353,002.10 × 501,569,982.20
  4. Step 4: Simplify right side
    868,902,001.40x = 653,722,742,063,613,440
  5. Step 5: Solve for x
    x = 653,722,742,063,613,440/868,902,001.40
  6. Step 6: Final answer
    x = 752,354,973.30

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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.