Home / 992,712,239.16-1,369,898,699.81-569,022,156.20

Finding the Fourth Proportional to 992,712,239.16, 1,369,898,699.81 and 569,022,156.20

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Solution

The fourth proportional to 992,712,239.16, 1,369,898,699.81 and 569,022,156.20 is: 785,225,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712,239.16 : 1,369,898,699.81 = 569,022,156.20 : x
  2. Step 2: Convert to fraction form
    992,712,239.16/1,369,898,699.81 = 569,022,156.20/x
  3. Step 3: Cross multiply
    992,712,239.16x = 1,369,898,699.81 × 569,022,156.20
  4. Step 4: Simplify right side
    992,712,239.16x = 779,502,711,931,768,192
  5. Step 5: Solve for x
    x = 779,502,711,931,768,192/992,712,239.16
  6. Step 6: Final answer
    x = 785,225,245.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.