Home / 1,398,853,050.43-1,929,720,314.02-833,939,875.67

Finding the Fourth Proportional to 1,398,853,050.43, 1,929,720,314.02 and 833,939,875.67

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Solution

The fourth proportional to 1,398,853,050.43, 1,929,720,314.02 and 833,939,875.67 is: 1,150,421,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,853,050.43 : 1,929,720,314.02 = 833,939,875.67 : x
  2. Step 2: Convert to fraction form
    1,398,853,050.43/1,929,720,314.02 = 833,939,875.67/x
  3. Step 3: Cross multiply
    1,398,853,050.43x = 1,929,720,314.02 × 833,939,875.67
  4. Step 4: Simplify right side
    1,398,853,050.43x = 1,609,270,718,751,240,448
  5. Step 5: Solve for x
    x = 1,609,270,718,751,240,448/1,398,853,050.43
  6. Step 6: Final answer
    x = 1,150,421,567.34

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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.