Home / 1,013,813,771.32-1,521,360,354.48-431,547,066.28

Finding the Fourth Proportional to 1,013,813,771.32, 1,521,360,354.48 and 431,547,066.28

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Solution

The fourth proportional to 1,013,813,771.32, 1,521,360,354.48 and 431,547,066.28 is: 647,592,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,813,771.32 : 1,521,360,354.48 = 431,547,066.28 : x
  2. Step 2: Convert to fraction form
    1,013,813,771.32/1,521,360,354.48 = 431,547,066.28/x
  3. Step 3: Cross multiply
    1,013,813,771.32x = 1,521,360,354.48 × 431,547,066.28
  4. Step 4: Simplify right side
    1,013,813,771.32x = 656,538,597,730,544,768
  5. Step 5: Solve for x
    x = 656,538,597,730,544,768/1,013,813,771.32
  6. Step 6: Final answer
    x = 647,592,897.54

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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.