Home / 30,470,015,867.04-42,044,814,350.64-16,919,810,693.28

Finding the Fourth Proportional to 30,470,015,867.04, 42,044,814,350.64 and 16,919,810,693.28

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Solution

The fourth proportional to 30,470,015,867.04, 42,044,814,350.64 and 16,919,810,693.28 is: 23,347,224,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470,015,867.04 : 42,044,814,350.64 = 16,919,810,693.28 : x
  2. Step 2: Convert to fraction form
    30,470,015,867.04/42,044,814,350.64 = 16,919,810,693.28/x
  3. Step 3: Cross multiply
    30,470,015,867.04x = 42,044,814,350.64 × 16,919,810,693.28
  4. Step 4: Simplify right side
    30,470,015,867.04x = 711,390,299,446,931,095,552
  5. Step 5: Solve for x
    x = 711,390,299,446,931,095,552/30,470,015,867.04
  6. Step 6: Final answer
    x = 23,347,224,450.13

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Double scale
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1.5x scale

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.