Home / 42,386,588,334.80-63,579,882,502.20-12,942,583,931.60

Finding the Fourth Proportional to 42,386,588,334.80, 63,579,882,502.20 and 12,942,583,931.60

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Solution

The fourth proportional to 42,386,588,334.80, 63,579,882,502.20 and 12,942,583,931.60 is: 19,413,875,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,334.80 : 63,579,882,502.20 = 12,942,583,931.60 : x
  2. Step 2: Convert to fraction form
    42,386,588,334.80/63,579,882,502.20 = 12,942,583,931.60/x
  3. Step 3: Cross multiply
    42,386,588,334.80x = 63,579,882,502.20 × 12,942,583,931.60
  4. Step 4: Simplify right side
    42,386,588,334.80x = 822,887,965,645,989,740,544
  5. Step 5: Solve for x
    x = 822,887,965,645,989,740,544/42,386,588,334.80
  6. Step 6: Final answer
    x = 19,413,875,897.40

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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.