Home / 970,619,417.78-1,455,785,614.10-357,060,154.46

Finding the Fourth Proportional to 970,619,417.78, 1,455,785,614.10 and 357,060,154.46

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Solution

The fourth proportional to 970,619,417.78, 1,455,785,614.10 and 357,060,154.46 is: 535,537,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,619,417.78 : 1,455,785,614.10 = 357,060,154.46 : x
  2. Step 2: Convert to fraction form
    970,619,417.78/1,455,785,614.10 = 357,060,154.46/x
  3. Step 3: Cross multiply
    970,619,417.78x = 1,455,785,614.10 × 357,060,154.46
  4. Step 4: Simplify right side
    970,619,417.78x = 519,803,036,224,805,632
  5. Step 5: Solve for x
    x = 519,803,036,224,805,632/970,619,417.78
  6. Step 6: Final answer
    x = 535,537,437.96

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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.