Home / 340,402,176,218.40-510,603,264,327.60-128,165,898,458.40

Finding the Fourth Proportional to 340,402,176,218.40, 510,603,264,327.60 and 128,165,898,458.40

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Solution

The fourth proportional to 340,402,176,218.40, 510,603,264,327.60 and 128,165,898,458.40 is: 192,248,847,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402,176,218.40 : 510,603,264,327.60 = 128,165,898,458.40 : x
  2. Step 2: Convert to fraction form
    340,402,176,218.40/510,603,264,327.60 = 128,165,898,458.40/x
  3. Step 3: Cross multiply
    340,402,176,218.40x = 510,603,264,327.60 × 128,165,898,458.40
  4. Step 4: Simplify right side
    340,402,176,218.40x = 65,441,926,128,338,749,882,368
  5. Step 5: Solve for x
    x = 65,441,926,128,338,749,882,368/340,402,176,218.40
  6. Step 6: Final answer
    x = 192,248,847,687.60

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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.