Home / 754,507,842,869.20-1,041,312,128,691-429,426,176,787.76

Finding the Fourth Proportional to 754,507,842,869.20, 1,041,312,128,691 and 429,426,176,787.76

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Solution

The fourth proportional to 754,507,842,869.20, 1,041,312,128,691 and 429,426,176,787.76 is: 592,660,090,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,507,842,869.20 : 1,041,312,128,691 = 429,426,176,787.76 : x
  2. Step 2: Convert to fraction form
    754,507,842,869.20/1,041,312,128,691 = 429,426,176,787.76/x
  3. Step 3: Cross multiply
    754,507,842,869.20x = 1,041,312,128,691 × 429,426,176,787.76
  4. Step 4: Simplify right side
    754,507,842,869.20x = 447,166,686,266,500,101,177,344
  5. Step 5: Solve for x
    x = 447,166,686,266,500,101,177,344/754,507,842,869.20
  6. Step 6: Final answer
    x = 592,660,090,272.94

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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.