Home / 1,919,044,452.42-2,878,742,345.76-538,849,660.14

Finding the Fourth Proportional to 1,919,044,452.42, 2,878,742,345.76 and 538,849,660.14

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Solution

The fourth proportional to 1,919,044,452.42, 2,878,742,345.76 and 538,849,660.14 is: 808,323,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,044,452.42 : 2,878,742,345.76 = 538,849,660.14 : x
  2. Step 2: Convert to fraction form
    1,919,044,452.42/2,878,742,345.76 = 538,849,660.14/x
  3. Step 3: Cross multiply
    1,919,044,452.42x = 2,878,742,345.76 × 538,849,660.14
  4. Step 4: Simplify right side
    1,919,044,452.42x = 1,551,209,334,643,402,496
  5. Step 5: Solve for x
    x = 1,551,209,334,643,402,496/1,919,044,452.42
  6. Step 6: Final answer
    x = 808,323,815.89

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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.