Home / 610,854,828.44-916,564,041.40-278,963,581.94

Finding the Fourth Proportional to 610,854,828.44, 916,564,041.40 and 278,963,581.94

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Solution

The fourth proportional to 610,854,828.44, 916,564,041.40 and 278,963,581.94 is: 418,574,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,854,828.44 : 916,564,041.40 = 278,963,581.94 : x
  2. Step 2: Convert to fraction form
    610,854,828.44/916,564,041.40 = 278,963,581.94/x
  3. Step 3: Cross multiply
    610,854,828.44x = 916,564,041.40 × 278,963,581.94
  4. Step 4: Simplify right side
    610,854,828.44x = 255,687,988,066,346,432
  5. Step 5: Solve for x
    x = 255,687,988,066,346,432/610,854,828.44
  6. Step 6: Final answer
    x = 418,574,064.02

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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.