Home / 939,748,001.40-1,409,622,002.10-697,883,297.40

Finding the Fourth Proportional to 939,748,001.40, 1,409,622,002.10 and 697,883,297.40

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Solution

The fourth proportional to 939,748,001.40, 1,409,622,002.10 and 697,883,297.40 is: 1,046,824,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,748,001.40 : 1,409,622,002.10 = 697,883,297.40 : x
  2. Step 2: Convert to fraction form
    939,748,001.40/1,409,622,002.10 = 697,883,297.40/x
  3. Step 3: Cross multiply
    939,748,001.40x = 1,409,622,002.10 × 697,883,297.40
  4. Step 4: Simplify right side
    939,748,001.40x = 983,751,650,913,137,664
  5. Step 5: Solve for x
    x = 983,751,650,913,137,664/939,748,001.40
  6. Step 6: Final answer
    x = 1,046,824,946.10

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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.