Home / 1,087,651,038.30-1,628,224,720.78-666,145,221.40

Finding the Fourth Proportional to 1,087,651,038.30, 1,628,224,720.78 and 666,145,221.40

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Solution

The fourth proportional to 1,087,651,038.30, 1,628,224,720.78 and 666,145,221.40 is: 997,226,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,651,038.30 : 1,628,224,720.78 = 666,145,221.40 : x
  2. Step 2: Convert to fraction form
    1,087,651,038.30/1,628,224,720.78 = 666,145,221.40/x
  3. Step 3: Cross multiply
    1,087,651,038.30x = 1,628,224,720.78 × 666,145,221.40
  4. Step 4: Simplify right side
    1,087,651,038.30x = 1,084,634,117,105,348,352
  5. Step 5: Solve for x
    x = 1,084,634,117,105,348,352/1,087,651,038.30
  6. Step 6: Final answer
    x = 997,226,204.84

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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.