Home / 391,140,576,085.40-586,710,864,128.10-391,140,576,085.40

Finding the Fourth Proportional to 391,140,576,085.40, 586,710,864,128.10 and 391,140,576,085.40

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Solution

The fourth proportional to 391,140,576,085.40, 586,710,864,128.10 and 391,140,576,085.40 is: 586,710,864,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,576,085.40 : 586,710,864,128.10 = 391,140,576,085.40 : x
  2. Step 2: Convert to fraction form
    391,140,576,085.40/586,710,864,128.10 = 391,140,576,085.40/x
  3. Step 3: Cross multiply
    391,140,576,085.40x = 586,710,864,128.10 × 391,140,576,085.40
  4. Step 4: Simplify right side
    391,140,576,085.40x = 229,486,425,390,627,870,998,528
  5. Step 5: Solve for x
    x = 229,486,425,390,627,870,998,528/391,140,576,085.40
  6. Step 6: Final answer
    x = 586,710,864,128.10

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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.