Home / 1,155,473,867,631.70-1,732,924,389,415.40-390,545,012,574.02

Finding the Fourth Proportional to 1,155,473,867,631.70, 1,732,924,389,415.40 and 390,545,012,574.02

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Solution

The fourth proportional to 1,155,473,867,631.70, 1,732,924,389,415.40 and 390,545,012,574.02 is: 585,720,712,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,473,867,631.70 : 1,732,924,389,415.40 = 390,545,012,574.02 : x
  2. Step 2: Convert to fraction form
    1,155,473,867,631.70/1,732,924,389,415.40 = 390,545,012,574.02/x
  3. Step 3: Cross multiply
    1,155,473,867,631.70x = 1,732,924,389,415.40 × 390,545,012,574.02
  4. Step 4: Simplify right side
    1,155,473,867,631.70x = 676,784,977,454,063,366,963,200
  5. Step 5: Solve for x
    x = 676,784,977,454,063,366,963,200/1,155,473,867,631.70
  6. Step 6: Final answer
    x = 585,720,712,871.88

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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.