Home / 874,249,141.38-1,311,000,417.59-506,038,250.71

Finding the Fourth Proportional to 874,249,141.38, 1,311,000,417.59 and 506,038,250.71

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Solution

The fourth proportional to 874,249,141.38, 1,311,000,417.59 and 506,038,250.71 is: 758,841,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,249,141.38 : 1,311,000,417.59 = 506,038,250.71 : x
  2. Step 2: Convert to fraction form
    874,249,141.38/1,311,000,417.59 = 506,038,250.71/x
  3. Step 3: Cross multiply
    874,249,141.38x = 1,311,000,417.59 × 506,038,250.71
  4. Step 4: Simplify right side
    874,249,141.38x = 663,416,357,997,323,008
  5. Step 5: Solve for x
    x = 663,416,357,997,323,008/874,249,141.38
  6. Step 6: Final answer
    x = 758,841,303.47

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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.