Home / 868,502,289.03-1,302,438,068.01-475,319,700.20

Finding the Fourth Proportional to 868,502,289.03, 1,302,438,068.01 and 475,319,700.20

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Solution

The fourth proportional to 868,502,289.03, 1,302,438,068.01 and 475,319,700.20 is: 712,806,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,502,289.03 : 1,302,438,068.01 = 475,319,700.20 : x
  2. Step 2: Convert to fraction form
    868,502,289.03/1,302,438,068.01 = 475,319,700.20/x
  3. Step 3: Cross multiply
    868,502,289.03x = 1,302,438,068.01 × 475,319,700.20
  4. Step 4: Simplify right side
    868,502,289.03x = 619,074,472,009,068,160
  5. Step 5: Solve for x
    x = 619,074,472,009,068,160/868,502,289.03
  6. Step 6: Final answer
    x = 712,806,954.95

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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.