Home / 746,498,678.40-1,119,748,017.60-625,566,326.40

Finding the Fourth Proportional to 746,498,678.40, 1,119,748,017.60 and 625,566,326.40

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Solution

The fourth proportional to 746,498,678.40, 1,119,748,017.60 and 625,566,326.40 is: 938,349,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,678.40 : 1,119,748,017.60 = 625,566,326.40 : x
  2. Step 2: Convert to fraction form
    746,498,678.40/1,119,748,017.60 = 625,566,326.40/x
  3. Step 3: Cross multiply
    746,498,678.40x = 1,119,748,017.60 × 625,566,326.40
  4. Step 4: Simplify right side
    746,498,678.40x = 700,476,653,863,714,432
  5. Step 5: Solve for x
    x = 700,476,653,863,714,432/746,498,678.40
  6. Step 6: Final answer
    x = 938,349,489.60

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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.