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Finding the Fourth Proportional to 2,989,778,892.90, 4,484,668,339.35 and 2,989,778,892.90

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Solution

The fourth proportional to 2,989,778,892.90, 4,484,668,339.35 and 2,989,778,892.90 is: 4,484,668,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,778,892.90 : 4,484,668,339.35 = 2,989,778,892.90 : x
  2. Step 2: Convert to fraction form
    2,989,778,892.90/4,484,668,339.35 = 2,989,778,892.90/x
  3. Step 3: Cross multiply
    2,989,778,892.90x = 4,484,668,339.35 × 2,989,778,892.90
  4. Step 4: Simplify right side
    2,989,778,892.90x = 13,408,166,742,645,526,528
  5. Step 5: Solve for x
    x = 13,408,166,742,645,526,528/2,989,778,892.90
  6. Step 6: Final answer
    x = 4,484,668,339.35

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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.