Home / 1,158,833,145.60-1,738,249,718.40-614,637,561.60

Finding the Fourth Proportional to 1,158,833,145.60, 1,738,249,718.40 and 614,637,561.60

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Solution

The fourth proportional to 1,158,833,145.60, 1,738,249,718.40 and 614,637,561.60 is: 921,956,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,833,145.60 : 1,738,249,718.40 = 614,637,561.60 : x
  2. Step 2: Convert to fraction form
    1,158,833,145.60/1,738,249,718.40 = 614,637,561.60/x
  3. Step 3: Cross multiply
    1,158,833,145.60x = 1,738,249,718.40 × 614,637,561.60
  4. Step 4: Simplify right side
    1,158,833,145.60x = 1,068,393,568,369,262,720
  5. Step 5: Solve for x
    x = 1,068,393,568,369,262,720/1,158,833,145.60
  6. Step 6: Final answer
    x = 921,956,342.40

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Double scale
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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.