Home / 1,121,057,047.85-1,547,028,752.98-619,255,031.46

Finding the Fourth Proportional to 1,121,057,047.85, 1,547,028,752.98 and 619,255,031.46

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Solution

The fourth proportional to 1,121,057,047.85, 1,547,028,752.98 and 619,255,031.46 is: 854,555,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,057,047.85 : 1,547,028,752.98 = 619,255,031.46 : x
  2. Step 2: Convert to fraction form
    1,121,057,047.85/1,547,028,752.98 = 619,255,031.46/x
  3. Step 3: Cross multiply
    1,121,057,047.85x = 1,547,028,752.98 × 619,255,031.46
  4. Step 4: Simplify right side
    1,121,057,047.85x = 958,005,339,096,154,496
  5. Step 5: Solve for x
    x = 958,005,339,096,154,496/1,121,057,047.85
  6. Step 6: Final answer
    x = 854,555,386.75

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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.