Home / 1,042,922,018,939.80-1,564,561,253,346.60-429,966,506,368.40

Finding the Fourth Proportional to 1,042,922,018,939.80, 1,564,561,253,346.60 and 429,966,506,368.40

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Solution

The fourth proportional to 1,042,922,018,939.80, 1,564,561,253,346.60 and 429,966,506,368.40 is: 645,023,236,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,922,018,939.80 : 1,564,561,253,346.60 = 429,966,506,368.40 : x
  2. Step 2: Convert to fraction form
    1,042,922,018,939.80/1,564,561,253,346.60 = 429,966,506,368.40/x
  3. Step 3: Cross multiply
    1,042,922,018,939.80x = 1,564,561,253,346.60 × 429,966,506,368.40
  4. Step 4: Simplify right side
    1,042,922,018,939.80x = 672,708,936,100,802,843,377,664
  5. Step 5: Solve for x
    x = 672,708,936,100,802,843,377,664/1,042,922,018,939.80
  6. Step 6: Final answer
    x = 645,023,236,526.02

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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.