Home / 817,648,019.08-1,128,348,526.02-446,370,050.32

Finding the Fourth Proportional to 817,648,019.08, 1,128,348,526.02 and 446,370,050.32

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Solution

The fourth proportional to 817,648,019.08, 1,128,348,526.02 and 446,370,050.32 is: 615,987,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,648,019.08 : 1,128,348,526.02 = 446,370,050.32 : x
  2. Step 2: Convert to fraction form
    817,648,019.08/1,128,348,526.02 = 446,370,050.32/x
  3. Step 3: Cross multiply
    817,648,019.08x = 1,128,348,526.02 × 446,370,050.32
  4. Step 4: Simplify right side
    817,648,019.08x = 503,660,988,338,045,184
  5. Step 5: Solve for x
    x = 503,660,988,338,045,184/817,648,019.08
  6. Step 6: Final answer
    x = 615,987,535.69

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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.