Home / 940,908,432.55-1,298,454,302.86-517,554,303.56

Finding the Fourth Proportional to 940,908,432.55, 1,298,454,302.86 and 517,554,303.56

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Solution

The fourth proportional to 940,908,432.55, 1,298,454,302.86 and 517,554,303.56 is: 714,225,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,908,432.55 : 1,298,454,302.86 = 517,554,303.56 : x
  2. Step 2: Convert to fraction form
    940,908,432.55/1,298,454,302.86 = 517,554,303.56/x
  3. Step 3: Cross multiply
    940,908,432.55x = 1,298,454,302.86 × 517,554,303.56
  4. Step 4: Simplify right side
    940,908,432.55x = 672,020,612,421,192,576
  5. Step 5: Solve for x
    x = 672,020,612,421,192,576/940,908,432.55
  6. Step 6: Final answer
    x = 714,225,305.22

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Double scale
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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.